双语例句原声例句
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他将风力公式应用到他的模型中，并假定树枝受到风力作用而断裂的概率是恒定不变的，据此他推导出了达·芬奇公式。
When he plugged that wind-force equation into his model and assumed that the probability of a branch breaking due to wind stress is constant, he came up with Leonardo's rule.
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这些物理系统的测试依赖于对作用力、质量和能量守恒定律的标准设计实践。
Design and testing of these physical systems rely on standard design practices that employ the laws of conservation of force, mass, and energy.
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我坚信，机械能守恒定理，会起作用，我几乎杀了自己-，近乎杀了自己-，那个球大概15公斤？
I was so convinced that the conservation of mechanical energy was going to work - that I almost killed myself — - not quite — with this huge, 15?
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First, free velocity, constant velocity can be obtained for free without doing anything.
首先,速度是无偿的,恒定速度不需外力作用就能无偿获得
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