常見例句雙語例句More detailed researches are focused on discussing the rationality and restrictive of DF problem in this paper and the typical exemplification and counterexample are presented.本文針對描述函數(shù)法適用于該問題的合理性及其局限性作了較為深入的分析，并給出了 典型的 例證和反例加以說明。 返回 typical exemplification