1·The "Elements" (of Euclides Geometry) spreads the knowledge of plane geometry in China.
《几何原本》（欧几里得几何）在中国传播了平面几何的知识。
2·Plane geometry is fun to study.
平面几何的学习是有趣的。
3·Three of Archimedes' extant works are devoted to plane geometry.
阿基米德现存的三部著作都是献给平面几何的。
4·In addition, there are round, square, cross, such as plane geometry.
此外，还有圆形、正方形、十字形等几何形状平面。
5·The plane geometry is one of middle school mathematics basic contents.
平面几何是中学数学的基本内容之一。
6·The circle-power theorem is one of important theorems in plane geometry.
圆幂定理是初中平面几何《圆》中重要定理之一。
7·Learning plane geometry well is the foundation of learning solid geometry well.
学好平面几何是学好立体几何的基础。
8·This paper lists the transformation of thinking in junior school plane geometry application.
本文列举了转化思想在初中平面几何中的应用。
9·This article presents an automatic measuring system of plane geometry parameters based on machine vision.
本文构建一种能够自动测量物体平面几何参数的系统，介绍了系统的硬件和软件组成。
10·The theorems, formulas and principles in plane geometry reveal the intrinsic relations and basic laws of geometrical concepts.
平面几何的定理、公式、法则反映了几何概念的内在联系，揭示了它们之间的基本规律。