在漫长的冷兵器时代,头盔、铠甲曾是军队用以保护作战人员的重要装备。随着枪炮的问世,盔甲失去了防护作用,一度在战场上销声匿迹了。第一次世大战时,一些军事专家们发现,战场上作战人员伤亡总数的80％是被中、低速流弹和炸弹碎片造成的。于是,人们不得不重新考虑盔甲的作用,几经努力,终于在英国诞生了可用于现代战场的“盔甲”,即第一代避弹军服——钢制避弹服这种避弹服是由一件钢制胸甲和一顶钢盔组成的,重约10千克,它可以防低速流弹和碎弹片。但由于笨重,人员穿上后,行动颇为不 In the long era of cold weaponry, helmets and armor were once important equipment used by the military to protect combatants. With the advent of guns, armor lost the protective effect, once disappeared in the battlefield. During the First World War, some military experts found that 80% of the total casualties of combatants on the battlefield were caused by medium and low velocity ammunition and bomb fragments. As a result, people have to reconsider the role of armor, after several efforts, and finally the birth of the British can be used in modern battlefield “armor”, that is, the first generation of anti-aircraft uniforms - Pieces of steel breastplate and a helmet, weighing about 10 kg, it can prevent low-velocity ammunition and fragments. However, due to bulky, people put on, the action is quite not