| 1. | Rotational energy states have the least energy .
转动能态具有最小的能量。 |
| 2. | A synchronous motor drives the measuring bob at a constant rotational speed .
同步马达驱动测锤以恒速旋转。 |
| 3. | We have found that there is also a rotational analog for the momentum .
我们发现对动量也有一个转动的对应量。 |
| 4. | The centre of gravity is displaced by a weight below the rotational axis .
调节旋转轴之下的一个重物，使重心发生位移。 |
| 5. | Microwave spectroscopist have determined the rotational constants for many molecules .
微波波谱学家已经确定了许多分子的转动常数。 |
| 6. | The rotational levels of the ground vibrational level may be depopulated by radiation .
基态振动能级的各转动能级的粒子数可能因幅射而减少。 |
| 7. | It is often desirable to apply pitch mismatch or rotational mismatch to increase the fringe density .
经常希望采用间距错配或转动错配以增加条纹密度。 |
| 8. | A few decades ago it was discovered that the rotational velocity of the earth undergoes small variations .
几十年前，人们发现地球自转的速度有微小的变化。 |
| 9. | Here in lies the importance of a proper understanding of how to manage and exploit rotational grass .
正确理解如何经营管理以及开发轮作草场的重要性就在于此。 |
