在决定哪些特性是对游泳运动员好还是不好的时候还有很多机械原理需要被考虑。
There are many other principles of mechanics that have to be considered in concert with these features when determining what is good and bad for a swimmer.
在考虑了地基土的惯性作用的基础上，计算了动力机械基础的动力特性和动力响应，讨论了一些对参振土质量有影响的因素。
The dynamic response of machine foundation considering the inertia effect of base soil has been computed. Some factors which affect the mass of base soil participating in vibration are discussed.
当我们考虑多数机械装置的运动特性时我们有理由忽视这个小小的运动。
We are justified in neglecting this small motion when considering the much greater motion characteristic of most mechanisms.
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