quadrantalbearing
... 手持式方位罗盘 bearing compass 象限方位 罗盘方位 quadrantalbearing 方位测量罗盘 azimuth compass ...
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象限方位点 intercardinal point
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四象限脉冲修正方案由于没有准确的目标方位信息，会造成脉冲推力损失和脱靶量增大；
The four quadrant impulse correction scheme may lead to the losing of thrust and the increasing of miss distance, since this scheme cannot measure the exact target azimuth information.
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