theory of elements造句

例句与造句

1. this thesis introduced the basic theory of element-free method, and how to trace the crack propagation of rock mass, then simulated the crack propagation of test sample without outside hydraulic pressure, and compared the calculated result with the fact status
   本文介绍了无单元计算方法基本原理及如何应用无单元法对岩体裂纹扩展进行计算追踪，然后应用无单元法模拟试件在无围压条件下水力劈裂裂纹扩展的过程，并与实际情况作了对比分析。
2. It's difficult to find theory of elements in a sentence. 用theory of elements造句挺难的