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| S 波段统一系统 | |||
| 统一 S 波段系统 | |||
| 统一S波段系统 | |||
| S 频段统一系统 (共用一个 S 频段射频载波，完成对航天器的测轨、遥测、遥控和数据传输等的综合无线电系统); 统一 S 频段系统 | |||
| unified S-band system: 1 phrase in 1 subject |
| Electronics | 1 |
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