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| 61. | beam candlepower |
| 射束烛光 |
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| 62. | extraordinary beam |
| 非常光线 |
|
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| | |
| 63. | asymmetrical beam |
| 非对称光 |
|
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| 64. | beam convergence |
| 电子束会聚 |
|
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| 65. | restrained beam |
| 约束梁，钳制梁 |
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| 66. | beam attenuator |
| 光束衰减器 |
|
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| 67. | stabilizing beam |
| 梭梁 |
|
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| 68. | beam communication |
| 定向通信 |
|
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| 69. | homocentric beam |
| 同心光束 |
|
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| 70. | beam counterbalance |
| 抽油机游梁平衡重量 |
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