gunnery technique

例句：

1. 1. The gunnery technicians are responsible for maintaining the accuracy of the artillery.
   炮术技术人员负责保持大炮的精确度。
2. 2. The gunnery technique has been refined over centuries of practice.
   炮术技术经过几个世纪的实践已经得到了改进。
3. 3.In this new model, the gunnery technique has been enhanced to improve accuracy and speed.
   在这个新型号中，炮术技术得到了提升，以改善精度和速度。