为达到理想的攻击效果,潜艇必须在使用武器之前占领一定的射击阵位。通过绘算和计算的方法,确定潜艇占领射击阵位所需的最小速度及对应航向、潜艇以某速度能否占领射击阵位及占领射击阵位的航向范围。%In order to gain an ideal attack effect,submarine must occupy a definite fire position before using weapons.Throgh the plotting and calculating method,some parameters of submarine occupying fire position can be worked out,these parameters are the minimum speed and the corresponding course,whether submarine can occupy fire position by a certain speed and the range of submarine course.
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