它也有一个几何曲率。
由于几何曲率半径和平衡正压力所要求的半径有差别,气泡形状要缓慢地变化。
The bubble shape is changed gently because of the difference between radius of geometric curvature and radius required to equalize normal stress.
有一个术语要在这介绍,称为几何曲率,那与我们在这定义,的材料曲率是类似的。
And there's a term that's introduced here called the geometric buckling which is analogous to the material buckling that we defined there.
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