01 / 点是没有部分的东西。 A point is that which has no part. 02 / 线是没有宽的长。 A line is breadthless length. 03 / 线之端是点。 The extremities of a line are points. 04 / 直线[2]是其上均匀放置着点的线。 A straight line is a line which lies evenly with the points on itself. 05 / 面是只有长和宽的东西。 A surface is that which has length and breadth only. 06 / 面之端是线。 The extremities of a surface are lines. 07 / 平面是其上均匀放置着直线的面。 A plane surface is a surface which lies evenly with the straight lines on itself. 08 / 平面角是一个平面上两条线之间的倾斜，它们相交且不在一条直线上。 A plane angle is the inclination to one another of two lines in a plane which meet one another and do not lie in a straight line.
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01 / 点是没有部分的东西。 A point is that which has no part. 02 / 线是没有宽的长。 A line is breadthless length. 03 / 线之端是点。 The extremities of a line are points. 04 / 直线[2]是其上均匀放置着点的线。 A straight line is a line which lies evenly with the points on itself. 05 / 面是只有长和宽的东西。 A surface is that which has length and breadth only. 06 / 面之端是线。 The extremities of a surface are lines. 07 / 平面是其上均匀放置着直线的面。 A plane surface is a surface which lies evenly with the straight lines on itself. 08 / 平面角是一个平面上两条线之间的倾斜，它们相交且不在一条直线上。 A plane angle is the inclination to one another of two lines in a plane which meet one another and do not lie in a straight line.