She was a medical practitioner before she entered politics.从政前她是个开业医生." Prithee , friend, leave me alone with my patient,'said the practitioner.“ 朋友, 请让我和我的病人单独呆一会儿, ” 那医生说道.Socrates was the greatest practitioner of...
I looked at what he'd given me and did a quick subtraction.我看着他给我的东西，快速做了个减法。The difference is found by subtraction.用减法得出差额.The plus sign is used in addition and the minus is used in subtraction.加号用于加法;减号用于减法....
研究具有跟踪性可扩流链回归集的几个性质,其结果可视为同胚相应结论的推广.For expansive flows with the shadowing property, we have studied some properties of chain recurrent sets.本文讨论半拓扑空间的半同胚等价定理及其应用.In this paper We discuss several semi - homeomorphic equi...