All forms of reciprocal theorems apply to structures which behave linearly.所有形式的互等定理都适用于线性受力状态的结构.His doctoral dissertation on differential equations connected itself with existence theorems.他论述微分方程的博士论文涉及到存在理论.The three...
The gaoler caned the man.狱卒用藤条鞭打这个人.In Wales in the same era, boys were caned for speaking Welsh in the playground.在同一时期的威尔士，男孩们在操场上讲威尔士语是要吃鞭子的。I have caned my son when necessary.必要时，我就用藤条打儿子一顿。...