| 1. | He is playing pendulum between two opinions .
他在两种意见之间摇摆不定。 |
| 2. | Great rollers make vessels play pendulum .
大浪使船只摇摇晃晃。 |
| 3. | The present device is also called a conical pendulum .
上述装置也称为圆锥摆。 |
| 4. | A grandfather clock has a pendulum that helps it work .
落地大座钟有一个帮助摆动的钟摆。 |
| 5. | An alternative approach using pendulums and dashpots is often used .
叠代法中往往使用单摆和冲击板。 |
| 6. | Then the pendulum boom and the pendulum are in equilibrium in any position .
则摆杆和摆在任何位置都处于平衡状态。 |
| 7. | The pendulum has a little tongue and this tongue goes over one tooth of the wheel .
这个摆有个小舌簧，舌簧扣在轮子的齿上。 |
| 8. | The mass of the pendulum bob does not change from one location to another on the earth's surface .
摆锤的质量在地面各处都一样。 |
| 9. | The hydrometric pendulum is sometimes used to determine flow velocities in open channels .
测流速的摆锤有时用于确定明渠中的流速。 |
| 10. | The swing is a pendulum with a single natural frequency depending on its length .
秋千是只有一个固有频率的摆，此频率决定于它的长度。 |
