论文部分内容阅读
人类文明史的记录显示,历史上的人们已经学会使用各种材料制作盔甲或盾牌来保护自己不要在战斗或其他危险情况下受到伤害。起初,人们使用动
Records of the history of human civilization show that historically people have learned to use various materials to make armor or shields to protect themselves from being harmed in combat or other dangerous situations. At first, people use the move