确定了膜片的主振方向和受应力最大的点，为正交试验优化提供了计算依据。

So find out the point whose stress is the maximal and Y is the direction of primary vibration.

youdao

确定了膜片的主振方向和受应力最大的点，为正交试验优化提供了计算依据。

So find out the point whose stress is the maximal and Y is the direction of primary vibration.

youdao