英语语法分析

This kind of antenna is called non frequency transforming antenna, a typical instance is plane isogonal corkscrew antenna.

我们将这一类天线称为非频变天线。平面等角螺旋天线是这一类天线的典型例子。

All geometric parameters of the leaf curved surface may be calculated more exactly comparing with traditional "method of isogonal transformation".

与传统的“等角变换”法比较，可精确计算叶片的全部几何参数。