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大地方位角 dàdì fāngwèijiǎo
space geodesic azimuth; geodetic azimuth
大地方位角参考椭球面上一点的大地子午线与该点到目标点大地线之间的夹角。由大地子午线〈北向〉顺时针量取 dàdì fāngwèijiǎo
expl. geodetic azimuth
大 地方位角: 2 phrases in 1 subject
Space2