secant plane

例句：

1. 1.The engineer used a secant plane to cut the wood.
   工程师使用一个切线平面来切割木材。
2. 2. The secant plane was used to measure the angle between two lines.
   切线平面被用来测量两条线之间的夹角。
3. 3.The secant plane is essential for creating accurate measurements in engineering.
   切线平面在工程中对于创建准确的测量至关重要。