The head shape of long rod armor piercing projectile have influence on penetrating effect.
通过模拟实验，得到了对不同结构靶板侵彻较为有效的弹体头部结构，可供杆式穿甲弹头部形状设计参考。
Discussion on the prevention measures of the head down-bending of plate;
预防中厚板轧制头部下扣途径探讨
Experimental study of head dynamics response of+Gx & + Gz impact;
+Gx和+Gz复合冲击下人体头部响应的实验分析
Comfort characters on the head are valuated under different states of dressing.
针对冬季典型气候,选择三种常用的冬季用帽作为试样,通过暖体假人试验和真人模拟试验,对人体头部在不同着装状态下的舒适性进行了评价。