双语例句
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Soft rope pile is a new style of slope supporting piles.
柔索桩是一种新型的护坡桩。
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The law of variable mass motion of a soft rope is studied.
研究了一种变质量柔绳上升和下降的运动规律。
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A theorem on kinetic energy for variable mass-point and formula of work of recoil internal forces are given and the reason of soft-rope query is discussed.
给出变质量质点的动能定理和一对反推内力作功的表达式，并由此给出软绳问题的正确解释。
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