Based on these, a test on the stiffness of BIW is conducted, the deflections of body floor at a group of points, where the preset load is applied, are measured,on which polynomial fitting is performed by several basis functions chosen.
在此基础上开展了白车身的刚度测试,测得设定载荷在车身地板一组施力点上的挠度,并用若干多项式基函数对其进行拟合。
参考来源 - 基于试验的白车身刚度快速计算方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Based on the CAD mathematics mode of the front body floor of vehicle a, the structure is simplified, and the dynamics performance is analyzed.
在A车前底板CAD数学模型的基础上，对结构进行简化处理，分析了该结构的动力学性能。
A second later, the other man's body went limp and joined his partner's on the floor.
另一个过会也倒下了，他的身体柔软地搭在了他已经在地板上的同伴身上。
Lie in the prone position, with your hands on the floor and repeatedly press the upper body up and down.
弯下上身，俯卧，手撑地面，重复将上身支起并放下。
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