shift conversion

• 变换

shift conversion的用法和样例：

例句

1. Properties of mode conversion in a nonlinear conical graded-index medium are investigated.
   研究非线性锥型梯度折射率媒质中的模式变换特性。
2. China's greatest worry comes from rain, the continuous deluges that will occur during the days that follow the pole shift.
   困扰中国的最大的问题是降雨，两极变换之后的日子里，紧接着会发生持续不断的暴雨及洪水。