此法以平面弹性力学的两个问题为基础，而此两问题的解是已知的。

The method is based on two problems of the plane elastic theory.

youdao

此法以平面弹性力学的两个问题为基础，而此两问题的解是已知的。

The method is based on two problems of the plane elastic theory.

youdao