但将它的分母作泰勒展开，经过重新整理，将那些大小不一致的项消去后，得到的新微扰展开式是逐项大小一致的。

However, when its denominator was expanded in a Taylor series, a size consistent perturbation expansion was obtained, for the size inconsistent terms turned out to be cancelled out.

youdao

但将它的分母作泰勒展开，经过重新整理，将那些大小不一致的项消去后，得到的新微扰展开式是逐项大小一致的。

However, when its denominator was expanded in a Taylor series, a size consistent perturbation expansion was obtained, for the size inconsistent terms turned out to be cancelled out.

youdao