| 术语 | 描述 |
|---|---|
| 异步 asynchronous | not synchronous |
| 任务阶段 Mission Phase | a period of a mission during which specified communications characteristics are fixed |
| 物理信道 Physical Channel | a stream of bits transferred over a space link in a single direction |
| 空间链路 space link | a communications link between a spacecraft and its associated ground system or between two spacecraft |
| 数据链路层 Data Link Layer | a layer in the OSI reference model |
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