Parallel lines are lines that never join.

线是永不相交的线。

There are two parallel lines.

这有两条线。

Parallel lines are, by definition, lines on the same plane that never join.

按照, 线是在同一面上永不相交的线。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将线置锯齿形条纹背上，左氏错觉会让线看起来不。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬线表象为赤道的直线，经线表象为对称中央直经线的双曲线，且面积没有变形的投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

是永不相交的。

There are two parallel lines.

这有两条。

Parallel lines are, by definition, lines on the same plane that never join.

按照定义说, 是在同一面上永不相交的。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将置于锯齿形条纹背上，左氏错觉会让看起来不。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬表象为于赤道的直，经表象为对称于中央直经的双曲，且面积有形的投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

平永不相交的。

There are two parallel lines.

这有两条平。

Parallel lines are, by definition, lines on the same plane that never join.

按照定义说, 平在同一平面上永不相交的。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将平置于锯齿形条纹背上，左氏错觉会让平看起来不平。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬表象为平于赤道的，表象为对称于中央的双曲，且面积没有变形的投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

平行是永不相交。

There are two parallel lines.

这有两条平行。

Parallel lines are, by definition, lines on the same plane that never join.

定义说, 平行是在同一平面上永不相交。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将平行置于锯齿形条纹背上，左氏错觉会让平行看起来不平行。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬表象为平行于直，经表象为对称于中央直经双曲，且面积没有变形投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

平行是永不相交。

There are two parallel lines.

这有两条平行。

Parallel lines are, by definition, lines on the same plane that never join.

定义说, 平行是在同一平面上永不相交。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将平行置于锯齿形条纹背上，左氏错觉会让平行看起来不平行。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬表象为平行于直，经表象为对称于中央直经双曲，且面积没有变形投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

平线是永不相交的线。

There are two parallel lines.

这有两条平线。

Parallel lines are, by definition, lines on the same plane that never join.

按说, 平线是在同一平面上永不相交的线。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将平线置锯齿形条纹背上，左氏错觉会让平线看起来不平。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬线表象为平道的直线，经线表象为对称中央直经线的双曲线，且面积没有变形的投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

平线是交的线。

There are two parallel lines.

这有两条平线。

Parallel lines are, by definition, lines on the same plane that never join.

按照定义说, 平线是在同一平面上交的线。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将平线置于锯齿形条纹背上，左氏错觉会让平线看起来平。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

构建了一个纬线表象为平于赤道的直线，经线表象为对称于中央直经线的双曲线，且面积没有变形的投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

行是永相。

There are two parallel lines.

这有两条行。

Parallel lines are, by definition, lines on the same plane that never join.

按照定义说, 行是在同一面上永相。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将行置于锯齿形条纹背上，左氏错觉会让行看起行。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬表象为行于赤道直，经表象为对称于中央直经双曲，且面积没有变形投影集合，并得到一组概括公式。

Parallel lines are lines that never join.

线是永不相交线。

There are two parallel lines.

这有两条线。

Parallel lines are, by definition, lines on the same plane that never join.

按照定义说, 线是在同一面上永不相交线。

Zollner's illusion makes parallel lines seem to diverge by placing them on a zigzag-striped background.

将线置于锯齿形条纹背上，左氏错觉会让线看起来不。

An equalarea pseudo cylindrical projection gather is constructed, in which the longitudes are hyperbola being symmetrical to the central meridian and the latitudes are parallel lines.

摘要构建了一个纬线表象为于赤道直线，经线表象为对称于中央直经线双曲线，且面积没有变形集合，并得到一组概括公式。