提出了用等效粘性阻尼理论和试验相结合，建立金属橡胶材料动态力学模型的一种新方法。
A new method for setting up the dynamic model of metal-rubber materials was proposed by using the equivalent viscous damping theory.
用机器制造，安装和装配铸件和其他零部件，用以制作所需形状的精密模型，如金属图案，芯盒和匹配板。
Machine, fit and assemble castings and other parts to make precision models of required shape such as metal patterns, core boxes and match plates.
方法用金属单摆打击装置复制大鼠单纯性脑震荡模型。
Methods an animal model of concussive brain injury in rats was duplicated with a metallic pendulum-striker concussive device.
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