Distributive characters of hypervelocity fragments impacting double - level target were researched.研究了超高速破片碰撞 双层 靶形成碎片云的分布特点.Reorganization is necessary on the distributive side of this industry.就这个行业的配销方面来说，重组是必要的。Nozic...
Astronauts work in weightless conditions.宇航员在失重的条件下工作。...weightless silk curtains.轻柔的丝质窗帘Photons have no mass—they are weightless.光子没有质量——它们是无重的。Helen described life in a weightless environment during her period in space...
His face collapses when the baby preferen-tially reaches for the mother.当这个婴儿最先把手伸向母亲时，他脸色一沉。This bridge table collapses.这张桥牌桌子能折叠.In the extreme case the boxwork collapses, forming a breccia.在特殊情况下,蜂窝坍塌, 形成角砾石....
The silencer is supposed to silence the engine noise.据说消音器是用来消除引擎的噪声的.A gun with a silencer fires once.一把带着消音器的枪立即开火了.Would you like a silencer for that?你想要个消音器 吗 ?...