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计时系统 | |
econ. | time keeping system |
market. | dating systems |
space | clock system; timing system |
操作员 | |
el. | server |
lab.law. | human operator |
manag. | operating staff |
space | controlman; controller |
| |||
time keeping system | |||
dating systems | |||
clock system; timing system | |||
countdown |
计时系统: 62 phrases in 16 subjects |