simplified solution meaning in English

简化解
简支解法

The simplified solution to one kind of nonlinear differential equation set , and the expression to special solution are given
摘要给出一类非齐线性微分方程组特解和简捷求法，并提供了特解的表达式。
It is proved that when frequency is low , there can be significant discrepancies between them , with frequency increasing , the simplified solutions converge to the new more rigorous one
研究表明它们与本文严格解的差别主要限于低频段，随激振频率的提高，不同解将趋于一致。