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最佳答案：Affine Transformation Proof in Elementary GeometryAbstract: This paper discusses
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最佳答案：1 "to" dot "is the most concise form, is modelling of the primary factor, is all
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最佳答案：近忧伤会让我无力,远虑会让我惆怅. 曾几何时,自信满满的我,那样意气风发.Recently sorrows make me tired, foresights
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最佳答案：Differential pressure meter is according to the installation in the pipe flow de