9781020891748DeclinationGeological预订
9783031094750Declination预订Magnetic
Azimuth9781022197282Declination预订
9781022134829DeclinationGeological预订
ValuesIdentification9781020632853Simultaneous
Azimuth9781020768712Declination预订
预售Declination
方位角纬度DeclinationLatitude
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