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水平基线 | |||
基[准]线冰准线 | |||
基准线; 基线 | |||
零高程线; 水准线 | |||
基准面 | |||
起始线 | |||
基准线; 参照线; 测量参考线 | |||
水准〔坐标〕线; 坐标轴 | |||
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基准线 |
datum- line : 17 phrases in 10 subjects |
Athletics | 1 |
Automobiles | 1 |
Aviation | 2 |
Computers | 1 |
General | 1 |
Information technology | 2 |
Oil / petroleum | 1 |
Petanque | 1 |
Space | 1 |
Technology | 6 |