英语语法分析

Ovaloid openings in plates are often encountered in engineering structures.

板内有腰圆形孔口的情形在工程结构中经常会遇到。

For the plates with finite dimensions, the finite element method is used to obtain the stress distribution and stress concentration around the ovaloid opening.

对于有限尺寸板内开孔的情形，文中用有限单元法来分析腰圆形孔口的应力分布和应力集中。