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| 71. | beam wobbling |
| 光束摆动 |
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| 72. | oscillation of gas |
| 气体摆动 |
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| 73. | swinging shears |
| 摆动剪 |
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| 74. | pendulum distributor |
| 摆动分配器 |
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| 75. | rockinghorse antenna |
| 摆动天线 |
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| 76. | The pendulum swings. |
| 钟摆摆动。 |
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| 77. | Chandler wobble |
| 钱德勒摆动 |
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| 78. | pendular movement of mediastinum |
| 纵隔摆动 |
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| 79. | flame vibration |
| 火焰摆动 |
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| 80. | oscillating back rest |
| 摆动后梁 |
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