| 1. | On the action of force , energy and entropy in elementary physics
能量和熵的概念在基础物理中的作用 |
| 2. | There is no material but will deform more or less under the action of forces
各种材料在力的作用下，多少都会有些变形。 |
| 3. | Dynamic action of force
力的动态酌 |
| 4. | Line of action of force
力的酌线 |
| 5. | There is no material but will deform more or less under the action of forces
没有一种材料在力的作用下能够不多多少少发生形变的。 |
| 6. | Direct numerical simulation is used for solving the navier - stokes equation and lagrangian approach is used to track the bubble trajectories through the action of forces imposed by the fluid and the gravity
采用直接数值模拟方法模拟流体流动，并用拉格朗日法跟踪气泡受流体和重力作用所产生的运动轨迹。 |
