基准方位 meaning in English

reference azimuth

In order to evaluate aiming error of missile on the warship or on the submarine , including the error of warship position , the error of reference azimuth and the error of transfer measurement given by the navigation system , and try to divided them from the general error , it is highly important that we estimate and evaluate missile system of mobile bedding launching
为了评估从舰船潜艇上发射导弹的瞄准误差，包括舰船导航系统给定的船位误差、基准方位误差及其传递测量误差，并试图把它们从总的瞄准误差中分离出来，这对于动基座发射导弹武器的瞄准精度的评价极为重要。