...天文方位角;一次定向中误差;仪器常数 [gap=971]Key words: gyrotheodolite; calibration and/or verification; astronomical azimuth angle; orientation error; instrument constant ...
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astronomical azimuth station 天文方位点
astronomical azimuth mark 天文方位标
Astronomical azimuth survey 天文方位测量
astronomical azimuth angle 天文方位角
astronomical azimuth measure 天文方位角测量
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