acceleration of free falling body 自由落体加速度
law of free falling body 自由落体定律
Case of free falling body 自由落体箱子
The automatic assemble machine utilized the free falling body assemble method, presented in the paper.
自动装配机利用了本文提出的自由落体式装配方法。
Methods:The methods of opening skull and free falling body was used to cause open cerebral laceration in rats.
方法：采用开颅和自由落体法相结合，造成开放性脑挫裂伤大鼠模型。在Y型水迷路中测定大鼠的记忆力；
Based on the Law of Energy Conservation, this paper educes a more accurate and more generalized formula of free falling body.
从能量守恒定律出发导出精确度更高、更具普遍意义的高空自由落体公式。
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