| 1. | A counterweight balances the rotation .
有一个砝码平衡回转。 |
| 2. | It can be used on rotating machinery and under water .
它可以用于回转式机器，也可以在水下应用。 |
| 3. | Convolutions frequently alternate in direction of rotation and vary in pitch .
盘旋经常改变回转方向和节距。 |
| 4. | The cyclotron frequency can also be derived by an elementary argument .
回转频率也可以通过浅显的论证导出来。 |
| 5. | In this case, a charged particle has a simple cyclotron gyration .
在这种情况下，带电粒子有一个简单的回旋回转。 |
| 6. | The law of conservation of angular momentum may be demonstrated with a gyroscope .
角动量守恒定律，可以用回转器来演示。 |
| 7. | A control system for a new diesel rotary distributor pump is here introduced .
这里介绍一种新型柴油机回转式分配泵的控制系统。 |
| 8. | The last few months the police have steadily swung back towards their old line .
在过去几个月当中警察已经日益回转到老路上去了。 |
| 9. | A changed particle moves along the lines of force of a magnetic field, spiraling as it goes .
带电粒子沿磁力线运动时就会发生回转。 |
| 10. | After five minutes codolphin returned, looking more hot and anxious than before .
五分钟以后，戈多尔芬回转来，看上去比刚才更加急不可耐。 |
