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...
If we had been careful such a calamity would not have befallen us.假如我们谨慎的话,这种灾难不会降临到我们的头上.They supposed that some calamity had befallen the Governor.他们心想这位先生一定遇到了什么无妄之灾.An accident has befallen him.一件不测的事已临到他....
B from the family of boron have autocatalytic effect.硼族元素对焦炭反应性起负催化作用.The NO oxidation is autocatalytic.NO氧化是自动催化的.The reactions are autocatalytic and quickly send the cell into thermal runaway where It'self destruc...
含柯石英的苏鲁—大别榴辉岩是高压 - 超高压变质带的产物.The Sulu - Dabie eclogite, which contains cosine, is the product of high - ultra high pressure metamorphism.超高压榴辉岩在地幔对流、壳-幔物质循环和俯冲带动力学起着重要作用.Eclogite plays an important role in mantle convect...
在过去的6周中，该地区曾经发生过零星的炮击。The area has been the scene of sporadic artillery duels over the last six weeks.一周中,状态除了波动是正常的.It's natural activity levels to fluctuate throughout the course of a week.一周中有多少小时培训比较合适?How many ...
He fixed me with those luminous, empty eyes and his melancholy smile.他笑容忧郁地凝视着我，闪亮的眼睛里空无一物。The general watched the process with an air of melancholy.将军神情忧郁地望着队列经过。A mood of melancholy descended on us.一种悲伤的情绪袭上我们的心头。...