| 1. | The balance wheel of a watch is a familiar example of angular harmonic motion .
钟表的摆轮是角谐运动的常例。 |
| 2. | The motion of the balance wheel of a watch is an example of angular harmonic motion .
钟表摆轮的运动就是角谐运动的一个实例。 |
| 3. | Wrist - chronometer with spring balance oscillator
具有摆轮游丝振荡系统的精密手表 |
| 4. | Balance - screws for watches and clocks
手表和钟表摆轮的螺钉 |
| 5. | Balance screw cutter
松紧摆轮平衡螺钉的工具 |
| 6. | Balance regulated movement
摆轮调速机构 |
| 7. | Breguet balance spring
贝利坚摆轮游丝 |
| 8. | Annular balance whip
环状摆轮止动杆 |
| 9. | Balance poise error
摆轮平衡误差 |
| 10. | Balance whip spring
摆轮止动簧 |
