Bullet-proof effects of composite materials and the protective capability of armored vests BPV-Ⅰ、Ⅱ were investigated.

從抗彈丸（或破片）貫穿和防止非貫穿性損傷的角度，觀察幾種復(fù)合式防彈層的防護(hù)效果和BPV-Ⅰ、Ⅱ型防彈背心的防護(hù)能力。

Development of new-type cooling vest for pilots;

飛行員新型降溫背心的研制

Methods The subjects wearing mid-size pocket compensary waistcoat and 65 % ECGS were exposed to 5.

方法　受試者在 +Gz暴露時(shí)先觀察受試者穿中囊代償背心和 65 %大面積抗荷服 (ECGS)在 5 。