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1. | address communication system |
| 地址通信系统 |
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2. | communication system |
| 沟通系统 |
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3. | computer communication system |
| 计算机通信系统 |
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4. | military communication system |
| 军用通信系统 |
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5. | Digital communication system |
| 数字通信系统 |
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6. | ground communication system |
| 地面通信系统 |
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7. | cable communication system |
| 电缆通信系统 |
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8. | communication system engineering |
| 通信系统工程 |
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9. | emergency communication system |
| 应急通信系统 |
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10. | projection communication system |
| 投影通信系统 |
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