即使是在这种情况下,运动方程也是不能精确积分的.Even in this case the equations of motion cannot be integrated exactly.这几乎省去求解积分的一半劳动.This cuts the labor of evaluating integrals almost in half.我们可利用积分的可加性.We can use the additive property of the...

“积分的”的英语可以翻译为：[电] integral ...