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| signal
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| commun. railw. | 报头开始信号 |
| start of header | |
| tech. | 首标开始; 标头开始符 |
| telecom. | 标题开始 |
| signal | |
| gen. | 打信号 |
| bridge. | 信号 |
| hockey. | 手势 |
| hydroel.st. | 标志; 符号 |
| radio.amat. | 信号 |
| sport. | 手势; 旗势 |
| tech. од. | 信号 |
| telecom. | 通信 |
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| 首标开始; 标头开始符 | |||
| 标题开始 | |||
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| 标题开始字符; 报头开始字符 | |||
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| 报头开始信号 | |||
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Start of Header : 2 phrases in 1 subject |
| Communications | 2 |