2楼: Originally posted by Mr__Right at 2017-02-07 17:15:39
就是积分的解析形式。

6楼: Originally posted by peterflyer at 2017-02-07 19:30:39
integration of closed form封闭形式的积分。如例句：
Then, by the contour integration technique, the basic solution in space-time domain to the plane elastodynamic problem of the layered media and the ...