我叔叔是位严格而又倔强的军医,他曾身经两次大战.My uncle was a hard - nosed army officer who had seen service in two wars.她毫不怀疑,这就是那位军医了.She had no doubt that this was the surgeon.军医请那些未受过体格检查的人站出来.The medic asked those who had not had their ph...
该方法不需要安全或者等幂.This method does not need to be either safe or idempotent.这个矩阵是等幂的.This matrix is idempotent.利用差分论证了等幂和一般公式的唯一性,它可用插值法构造,也可用待定系数法求得.It can be structured by interpolation or be got by method of undetermined c...