This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国发现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光化物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联公司首次采用子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯德峡首次升起了自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯布尔的风景画在首次展出时受到了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国洋石油领域开展了首次上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁发于1991年，包装室奖被判定由画廊的仓库，史蒂夫得斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为首次在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是在我国发现可靠陷胸茎蜂化石，也是该亚科在侏罗纪报道。

CD outsells vinyl for the first time.

光盘销售量超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

发展了蓝光高效双光子荧光化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司采用电子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中发现了层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何见面人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯彼特海德海峡升起了自己旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

从贯叶金丝桃中分离得到化合物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯特布尔风景画在展出时受到了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要运用电子脉冲辐解技术古丁分子化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国海洋石油领域开展了海上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐公演是鲁莽。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

颁发于1991年，包装室奖被判定由画廊仓库，史蒂夫彼得斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

报道了丁草胺和西草净在同一色谱条件下气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输设想是由爱尔兰钟表匠亚历山大.贝恩于1843年提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

是首次在我国发现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司首次采用电子有线传传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯彼特海德海峡首次升起了自己的。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化合物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯特布尔的风景画在首次展出时受到了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国海洋石油领域开展了首次海上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁发于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼得斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为首次在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国发现可靠的陷化，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司首次采用电子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状电气岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯彼特德峡首次升起了自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化合物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯特布尔的风景画在首次展出时受到了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国油领域开展了首次上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁发于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼得斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为首次在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国发现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司首次采用电子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯彼特海德海峡首次升起了自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化合物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯特布尔的风景画在首次展出时受到了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国海洋石油领域开展了首次海上多波多分量地震试。

Conducting the premiere of a symphony without a rehearsal requires temerity.

练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁发于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼得斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为首次在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次蓝光高效双光子荧光化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司首次采用电子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次现层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次现青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在彼特海德海峡首次升起自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化合物异槲皮。

Constable’s landscapes met with indifference when they were first exhibited.

特布尔的风景画在首次出时受到冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国海洋石油领域开首次海上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼得。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜为首次在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国发现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝高效双化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司首次采用电有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯彼特海德海峡首次升起了自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分化合物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯特布尔的风景画在首次展出时受了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电脉冲辐解技术研究尼古丁分的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国海洋石油领域开展了首次海上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁发于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为首次在该植物根中分。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次蓝光高效双光子荧光化合物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西部联合电报公司首次采用电子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次现层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次现青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在彼特海德海峡首次升起自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化合物异槲皮。

Constable’s landscapes met with indifference when they were first exhibited.

特布尔的风景画在首次出时受到冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国海洋石油领域开首次海上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一部交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼得。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜为首次在该植物根中分离得到。

This is the first reliable trematothoracin sawfly discovered in China and in the Jurassic Period.

这是首次在我国发现可靠的陷胸茎蜂化石，也是该亚科在侏罗纪的首次报道。

CD outsells vinyl for the first time.

光盘的销售量首次超过塑胶唱片。

I had a crise de nerfs before the first performance.

我在首次演出前紧张得几乎崩溃。

In addition, we found that there are two ultrafast exciton dynamics in Allophycocyanin trimer.

首次发展了蓝光高效双光子荧光化物。

These truths were by no means self-evident when Galileo first suggested them.

伽里略首次提出这些真理时决非显而易见。

Wirephoto - The first electronically-transmitted photograph is sent by Western Union.

西电报公司首次采用电子有线传真传输图片。

The ore-bearing rock is composed mainly of andesitic tuff and tuffite.

作者在赋矿层中首次发现了层状电气石岩。

We didn’t meet anybody new at the tea party.

在茶会上我们没有碰到任何首次见面的人。

Fleming discovered penicillin early in the twentieth century.

弗莱明在20世纪初首次发现了青霉素。

Hawke first hoisted his flag at Spithead.

霍克伊在斯彼特德峡首次升起了自己的旗舰旗。

Isoquercitrin is obtained from Hypericum perforatum L.for the first time.

首次从贯叶金丝桃中分离得到化物异槲皮苷。

Constable’s landscapes met with indifference when they were first exhibited.

康斯特布尔的风景画在首次展出时受到了冷遇。

Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古丁分子的化学活性。

The first offshore multiwave and multicomponent seismic experiment has been made by CNOOC.

中国洋石油领域开展了首次上多波多分量地震试验。

Conducting the premiere of a symphony without a rehearsal requires temerity.

不排练而直接指挥一交响乐的首次公演是鲁莽的。

Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法成丙二醇单乙醚乙酸酯。

First awarded in 1991, the Packing Room Prize is adjudicated by the Gallery's storeman, Steve Peters.

首次颁发于1991年，包装室奖被判定由画廊的仓库，史蒂夫彼得斯。

Under the same chrmatographic condition, gas chromatography quantitative analysis of the butachlor and simetryne were discribed.

首次报道了丁草胺和西草净在同一色谱条件下的气相色谱定量分析。

The idea for a facsimile transmission was first proposed by Scottish clockmaker Alexander Bain in 1843.

传真传输的设想是由爱尔兰钟表匠亚历山大.贝恩于1843年首次提出。

Conclusion:Oleanolic acid and daucosterol were isolated from this plant for the first time.

齐墩果酸和胡萝卜苷为首次在该植物根中分离得到。