Operative forces

• 作用力

Operative forces的用法和样例：

例句

1. The forces in operation have the form of lateral or tangential thrust.
   作用力的形式是侧向冲断或切向冲断。
2. The primary forces causing migration of hydrocarbons are buoyancy and capillarity.
   引起碳氢化合物运移的主要作用力是浮托力和毛细力。