jumper dress;jumper skirt是什么意思

用法例句

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

从抗弹丸（或破片）贯穿和防止非贯穿性损伤的角度，观察几种复合式防弹层的防护效果和BPV-Ⅰ、Ⅱ型防弹背心的防护能力。

Development of new-type cooling vest for pilots;

飞行员新型降温背心的研制

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

方法　受试者在 +Gz暴露时先观察受试者穿中囊代偿背心和 65 %大面积抗荷服 (ECGS)在 5 。