global shell

• 球壳

global shell的用法和样例：

例句

1. The compatible boundary conditions are evidently uniform tractions applied on the inner and outer surfaces of the shell.
   可相容的边值条件显然是作用在球壳的内表面和外表面上的均匀曳力。
2. A particle inside the shell is drawn equally in all directions and experiences no force at all.
   在球壳内部的质点，因被对等地吸引向各个方向，所以完全没有感受到力。