提出了一种线膛炮内膛表面图像识别的分层次识别方案，并研究了膛线识别的算法。
In this paper, a multi-grade image recognition plan is proposed for inner-surface rifling images of a cannon and an arithmetic method for rifling recognition is also designed.
现代战争火箭炮与线膛炮重迭射击应用较多，而对两者的火力分配方法，现行《地面炮兵射击教程》却无明确规定。
Overlapping firing of rocket gun and rifle gun is applied frequently in the modern warfare, but the common method of fire distribution is definitely prescribed in the existing Artillery Firing Manual.
现代战争火箭炮与线膛炮重迭射击应用较多，而对两者的火力分配方法，现行《地面炮兵射击教程》却无明确规定。
Overlapping firing of rocket gun and rifle gun is applied frequently in the modern warfare, but the common method of fire distribution is definitely prescribed in the existing Artillery Firing Manual.
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