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11. | gyroscopic motion |
| 陀螺运动 |
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12. | Shaped like a top. |
| 陀螺形的形状象陀螺的 |
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13. | whip a top |
| 抽陀螺 |
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14. | gyroscope rotor |
| 陀螺转子 |
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15. | gyroscopic instruments |
| 陀螺装置 |
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16. | gyroscopic horizon |
| 陀螺水平仪 |
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17. | mechanics of gyroscopes |
| 陀螺力学 |
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18. | spin a top |
| 抽陀螺。 |
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19. | gyroscope autopilot |
| 陀螺自动驾驶仪 |
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20. | gyroscopic equilibrium |
| 陀螺平衡 |
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