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91. | multi-user communication system |
| 多用户通信系统 |
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92. | advanced communication system (ACS) |
| 高级通信系统 |
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93. | advanced VHF communication system |
| 先进甚高频通信系统 |
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94. | distributed office communication system |
| 分布式办公事务通信系统 |
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95. | secure voice communication system |
| 保密电话通信系统 |
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96. | optical waveguide communication system |
| 光波导通信系统 |
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97. | high frequency communication system |
| 高频通信系统 |
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98. | forest fire communication system |
| 林火通讯系统 |
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99. | frequency shift communication system |
| 频移通信系统 |
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100. | digital data communication system |
| 数字数据通信系统 |
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