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repeating signal | |
commun. railw. | 复示信号机 |
mil., air.def. | 重复 信号 |
railw. | 复式信号 |
shipb. | 复述信号 |
marker | |
gen. | 标识; 标志 |
environ. | 标记 |
genet. | 遗传标记 |
| |||
复示信号机 | |||
重复复述信号 | |||
复式信号机 | |||
复述信号 | |||
重复信号 (器); 复示信号 |
repeating signal marker : 6 phrases in 3 subjects |
Communications | 4 |
Space | 1 |
Telecommunications | 1 |