force system

• 力系

force system的用法和样例：

例句

1. Such force systems are said to be statically indeterminate.
   这样的力系叫做静不定力系。
2. It is clear that for non-concurrent force systems, similar statements could be made with regard to rotations.
   可清楚地看出对于非共点力系考虑转动时也可以作出相似的结论。