external ballistics meaning in English

外弹道学

Having combined external ballistics with gunnery and proceeded from the practical needs of the field artillery , the influence to the firing accuracy by artillery metro report and the improved measures have been studied and analyzed in this essay , thus having obtained a series of valuable and pragmatic conclusions which mean a lot in practical application
论文结合外弹道学理论和炮兵射击学理论，从地面炮兵的实际需要出发，具体研究了地面炮兵气象通报对射击精度的影响及改进措施，提出了建立我军地面炮兵专用层权及通用层权的方法及改进计算机通报的措施，得出了一系列具有一定实用价值与相当指导意义的结论。