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| 71. | marker beacon |
| 指点标, 标志信标 |
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| 72. | beacon magnetron |
| 信标磁控管 |
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| 73. | offshore beacon |
| 水上航标 |
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| 74. | crossband beacon |
| 交叉频带信标(双频率应答器) |
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| 75. | operational beacon |
| 有效工作信标 |
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| 76. | portable beacon |
| 移动标灯 |
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| 77. | airborne beacon |
| 飞机无线电信标 |
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| 78. | landmark beacon |
| 定向发光信标 |
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| 79. | radiation beacon |
| 辐射报警器 |
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| 80. | directive beacon |
| 定向信标 |
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