flight vehicle propulsion system飞行器推进系统The nineteenth century witnessed a revolution in ship design and propulsion.19世纪船舶设计和船舶动力领域发生了重大的变革。...the submarine's propulsion system.潜水艇的推进系统Adduction of the upper arm to m...
The nineteenth century witnessed a revolution in ship design and propulsion.19世纪船舶设计和船舶动力领域发生了重大的变革。Interest in jet propulsion was now growing at the Air Ministry.航空部对喷气推进的兴趣正在增加。The liquids employed for rocket propulsio...
We should avoid making multifaceted and complicated blogs.我们应该避免作出多层面，复杂的博客。The generation of this'specific immune response'is complex and multifaceted.这个 “ 特定免疫反应 ” 的发生是相当复杂而牵涉多个层面.This is an introduction to a...