... declination 倾斜，衰微 declinometer 方位角计,磁针偏差计 recline 使斜靠 ...
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短语
方位角电位计
azimuth potentiometer
方位角修正计算尺
azimuth adjustment rule
;
[测]
azimuth adjustment slide rule
方位测角计
azimuth indicating goniometer
方位角估计
aspect estimation
;
Azimuth estimation
目标方位角综合估计
Target aspect synthetical estimate