近二、三十年来,国外在轻武器(各种枪类)的研制和生产方面有了不少发展。其主要趋势是;减轻武器重量,增加弹药携带量,提高射击精度和弹丸的初速。武器弹药上的这些变化,反映在由此所致的战伤方面,也相应地出现一些新的特点,如致伤机率增 Nearly two or three decades ago, foreign countries have made considerable progress in the development and production of light weapons (various types of guns). The main trend is to reduce the weight of weapons, increase the amount of ammunition carried, improve shooting accuracy and the velocity of the projectile. These changes in the weapons and ammunition are reflected in the resulting war injuries. Correspondingly, some new characteristics have emerged, such as the increased risk of injury