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71. | passive noise control technique |
| 被动噪声控制技术 |
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72. | passive plate boundary |
| 被动板块边缘 |
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73. | post-boost guidance |
| 被动段制导 |
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74. | passive retrodirective element |
| 被动后向反射器 |
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75. | passive agglutination test |
| 被动凝集试验 |
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76. | passive infrared system |
| 被动红外系统 |
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77. | passive fire safety equipment |
| 被动消防安全设备 |
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78. | passive participial |
| 被动分词形容词 |
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79. | passive homing missile |
| 被动寻的导弹 |
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80. | passive improvement trade |
| 被动加工贸易 |
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