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大地基准 dàdí jīzhŭn
earth.sc. geodetic datum
tech. geodesic datum (点); geodetic datum (点)
大地基准大地坐标系的基本参照依据，包括参考椭球参数和定位参数以及大地坐标的起算数据 dàdí jīzhŭn
expl. geodetic datum
大 地基准: 40 phrases in 9 subjects
Construction1
Desert science3
Earth sciences10
Electronics1
Geophysics1
Oil / petroleum1
Space1
Technology20
United Nations2

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