These upright stones are the vestiges of some ancient religion.

这些竖立的头是某种古代宗教的遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马时代的遗迹可以在法国南部看到。

They have found prehistoric remains.

他们现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而现了一个古代文明的遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗迹及时加以保护，并在保护的基础上充分挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁,各种沉积构及生物遗迹。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

们看起来像一棵棵巨型的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的松遗迹就像鳄鱼皮般出柔滑的光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗迹组构分析其日益增长的意义主要表现在含油气盆地地层单元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱及其兄长桃矢国王的探访中，遗迹突然生异动，小樱的记忆作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗迹（蓝色部分，在第一至第五世纪被使用），这个住所的遗迹被现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称为「休伦冰期」，因其遗迹在加拿大南部休伦湖北方的岩中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代地理学，当时的色雷斯人与古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立的石头是某种古代宗教的遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马时代的遗迹可以在法国南部到。

They have found prehistoric remains.

他们发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而发现了一个古代文明的遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗迹及时加以保护，并在保护的基础上充发挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁迁移,发育各种沉积构及生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们像一棵棵巨型的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的石松化石遗迹就像鳄鱼皮般发出柔滑的光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年，遗迹组构析其日益增长的意义主要表现在含油气盆地地层单元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱及其兄长桃矢国王的探访中，遗迹突然发生异动，小樱的记忆化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗迹（蓝色部，在第一至第五世纪被使用），这个住所的遗迹被发现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称为「休伦冰期」，因其遗迹在加拿大南部休伦湖北方的岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代地理学，当时的色雷斯人古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立的石头是某种古代宗教的遗。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马代的遗可以在法国南部看到。

They have found prehistoric remains.

他们现了史前遗。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而现了一个古代文明的遗。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗加以保护，并在保护的基础上充分挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁移,育各种沉积构生物遗化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们看起来像一棵棵巨型的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的石松化石遗就像鳄鱼出柔滑的光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗组构分析其日益增长的意义主要表现在含油气盆地地层单元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱其兄长桃矢国王的探访中，遗突然生异动，小樱的记忆化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗（蓝色部分，在第一至第五世纪被使用），这个住所的遗被现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称为「休伦冰期」，因其遗在加拿大南部休伦湖北方的岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗证明，根据古代地理学，当的色雷斯人与古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗化石的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立的石头是某种古代宗教的遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马代的遗迹可以在法国南部看到。

They have found prehistoric remains.

他们发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而发现了一个古代文明的遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗迹以保护，并在保护的基础上充分发挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁移,发育各种沉积构生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们看起来像一棵棵巨型的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的石松化石遗迹就像鳄发出柔滑的光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗迹组构分析其日益增长的意义主要表现在含油气盆地地层单元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱其兄长桃矢国王的探访中，遗迹突然发生异动，小樱的记忆化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗迹（蓝色部分，在第一至第五世纪被使用），这个住所的遗迹被发现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称为「休伦冰期」，因其遗迹在拿大南部休伦湖北方的岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代地理学，当的色雷斯人与古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立的石头是某种古代宗教的遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马时代的遗迹可以在法国南部看到。

They have found prehistoric remains.

他们发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而发现了一个古代文明的遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将自然历史遗迹及时加以保护，并在保护的基础上充分发挥地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

总体沉积特征:河道频繁分支与迁移,发育各种沉积构及生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们看起来像一棵棵巨型的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的石松化石遗迹就像鳄鱼皮般发出柔滑的光。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

来，遗迹组构分析日益增长的意义主要表现在含油气盆地地层单元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱及兄长桃矢国王的探访中，遗迹突然发生异动，小樱的记忆化了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗迹（蓝色部分，在第一至第五世纪被使用），这个住所的遗迹被发现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称「休伦冰期」，因遗迹在加拿大南部休伦湖北方的岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代地理学，当时的色雷斯人与古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立石头是某种古代宗教遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马时代遗迹可以在法国南部看到。

They have found prehistoric remains.

他们发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而发现了一个古代文明遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗迹及时加以保护，并在保护基础上充分发挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁移,发育各种沉积构及生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们看起来像一棵棵巨型芦笋。在隧道内黯淡灯光下，页岩顶部30英尺长石松化石遗迹就像鳄鱼皮般发出柔滑光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗迹组构分析其日益增长意义主要表现在含油气盆地地层单元成因环境精确解释和各类不连续面精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱及其兄长桃矢国王探访中，遗迹突然发生异动，小樱化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所遗迹（蓝色部分，在第一至第五世纪被使用），这个住所遗迹被发现在有门廊中庭南边（之前祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称为「休伦冰期」，因其遗迹在加拿大南部休伦湖北方岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代地理学，当时色雷斯人与古希腊人和居住在北方民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立的石头是某种古代宗教的遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马时代的遗迹可以在法国南部看到。

They have found prehistoric remains.

他发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员用手指在泥土中扒, 从而发现了一个古代文明的遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗迹及时加以保护，并在保护的基础上充分发挥其学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁移,发育各种沉积构及生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它看起来像一棵棵巨型的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的石松化石遗迹就像鳄鱼皮般发出柔滑的光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗迹组构分析其日益增长的意义主要表现在含油气盆元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱及其兄长桃矢国王的探访中，遗迹突然发生异动，小樱的记忆化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗迹（蓝色部分，在第一至第五世纪被使用），这个住所的遗迹被发现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称为「休伦冰期」，因其遗迹在加拿大南部休伦湖北方的岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代理学，当时的色雷斯人与古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆柯坪区志留系塔塔埃尔塔格组上段遗迹化石的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立的石头是某种古代宗教的遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马时代的遗迹可以在法国南部看到。

They have found prehistoric remains.

他们发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指在泥土中扒, 从而发现了一个古代文明的遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作自然历史遗迹及时加以保护，并在保护的基础上充分发挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特:道频繁分支与迁移,发育各种沉积构及生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们看起来像一的芦笋。在隧道内黯淡的灯光下，页岩顶部30英尺长的石松化石遗迹就像鳄鱼皮般发出柔滑的光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗迹组构分析其日益增长的意义主要表现在含油气盆地地层单元成因环境的精确解释和各类不连续面的精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，在一次小樱及其兄长桃矢国王的探访中，遗迹突然发生异动，小樱的记忆化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所的遗迹（蓝色部分，在第一至第五世纪被使用），这个住所的遗迹被发现在有门廊的中庭的南边（之前的祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第一次冰期称「休伦冰期」，因其遗迹在加拿大南部休伦湖北方的岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古代地理学，当时的色雷斯人与古希腊人和居住在北方的民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石的研究,识别出8属8种。

These upright stones are the vestiges of some ancient religion.

这些竖立石头是某种古宗教遗迹。

Many ruins of Roman date are to be seen in the south of France.

许多古罗马遗迹可以法国南部看到。

They have found prehistoric remains.

他们发现了史前遗迹。

Scraping away patiently in soil with their fingers, the team of scientists discovered the ruins of an ancient civilization.

科考队员们耐心地用手指泥土中扒, 从而发现了个古文明遗迹。

It should be protected as natural history relic and make the most of its values on geognosy and sightseeing resource.

应将其作为自然历史遗迹及加以保护，并保护基础上充分发挥其地学旅游资源价值。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁移,发育各种沉积构及生物遗迹化石。

In the pale light of the tunnel, 30-foot fossil traces of lycopsid gleam slickly in the shale roof like alligator skins.

它们看起来像棵棵巨型芦笋。隧道内黯淡灯光下，页岩顶部30英尺长石松化石遗迹就像鳄鱼皮般发出柔滑光亮。

Ichnofabric analysis displays a rising significance on accurate environmental interpretation of sedimentary units in oil-bearing basin and precise recognition of depositional disconuities.

近年来，遗迹组构分析其日益增长意义主要表现含油气盆地地层单元成因环境精确解释和各类不连续面精细识别。

Travelling together with them is Kurogane, a warrior who was exiled from his country, and Fye, a magician who wants to escape from his King.

可是，小樱及其兄长桃矢国王探访中，遗迹突然发生异动，小樱记忆化作了羽毛，飞散消失。

Remains of dwellings in use between the I and the IV century (in blue).The remains were mainly discovered in the south area of the porticoed atrium (ex-sacristy).

住所遗迹（蓝色部分，第至第五世纪被使用），这个住所遗迹被发现有门廊中庭南边（之前祭衣房）。

The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

第冰期称为「休伦冰期」，因其遗迹加拿大南部休伦湖北方岩石中清晰可见。

It is a remarkable reminder of the culture of the Getes, a Thracian people who were in contact with the Hellenistic and Hyperborean worlds, according to ancient geographers.

这个遗迹证明，根据古地理学，当色雷斯人与古希腊人和居住北方民族有着联系。

Based on the study of the Silurian sections in the Kalpin area of the northwestern Tarim Basin, eight ichnogenus and eight ichnospecies were recognized in the Lower Silurian Tataaiertage Formation.

通过对塔里木盆地柯坪地区志留系塔塔埃尔塔格组上段遗迹化石研究,识别出8属8种。