椭圆规是构造椭圆的工具。 。
各种物性参数均遵循近似椭圆规律变化。
All the above physical parameters conform the approximate ellipse law.
共轭椭圆规是根据主径圆的性质设计的。
The conjugate ellipsograph is designed according to the characteristics of the main—diametral circle.
其特点是在原有圆规上又连接有一个画椭圆的椭圆辅件。
The utility model is characterized in that an elliptic auxiliary part for drawing ellipses is connected to the compasses on the basis of the original compasses.
其特点是在原有圆规上又连接有一个画椭圆的椭圆辅件。
The utility model is characterized in that an elliptic auxiliary part for drawing ellipses is connected to the compasses on the basis of the original compasses.
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