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81. | air force communication system |
| 空军通信系统 |
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82. | carrier current communication system |
| 载波通信制 |
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83. | satellite communication system technology |
| 卫星通讯系统技术 |
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84. | model of communication system |
| 通信系统模型 |
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85. | random access communication system |
| 随机存取通信系统 |
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86. | emergency voicealarm communication system |
| 应急话音报警通信系统 |
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87. | one-direction communication system |
| 单向通信系统 |
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88. | Pacific Area Communication System |
| 太平洋地区通信系统 |
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89. | emergency satellite communication system |
| 应急卫星通信系统 |
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90. | WCS (Waveguide Communication System) |
| 波导通信系统 |
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