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- Glenn is leading the design and development of the rocket's payload shroud and several subsystems on the upper stage. 格伦因主持设计建造了火箭整流罩和几个主要子系统而(在火箭史上)著名。
- A ride in the lunar module's upper stage was quite an experience. 在登月舱上半截的一次驾驶,可真是一次难得的经验。
- The leak of Liquid Rocket Engine (LRE) is very common and dangerous. 液体火箭发动机的泄漏是常见和极其危险的故障。
- The optimization design of DFC is expounded and the concept and method of multiobjective optimization are used to the upper stage solid rocket motor (CPKM) of a kind of launching vehicle. 阐述了面向成本的优化设计问题,并将多目标优化概念和方法应用于某运载火箭上面级固体发动机(CPKM)方案设计。
- The author considers that adopting the helium pressurization can decrease greatly the engine pump inlet pressure of the upper stage rocket, and considerably increase transport capacity of the rocket. 认为采用氦气增压,我国可贮存推进剂上面级火箭发动机氧化剂泵入口压力要求可以大幅度地降低,较大地提高火箭的运载能力。
- At the upper stage, windows are recessed into the quadripartite vault ceiling. 在上一阶段,窗子被放在四分拱顶天花板的凹处。
- The integrity test of Liquid Rocket Engine (LRE) must be carried out before its launch. 在液体火箭发动机发射前,必须进行完整性试验。
- Vacuum vessel seal structure used in the leak test of a liquid rocket engine turbopump is discussed. 论述了某型号液体火箭发动机涡轮泵高压低温静密封检漏试验用真空室密封结构的设计问题。
- The study may be helpful for fault diagnostics of the start up of liquid rocket engine (LRE). 为液体火箭发动机启动过程的故障诊断提供参考依据。
- Rotor dynamic is one of the most complicated problems in development of LOX turbopump of liquid rocket engine. 转子动力学问题是液体火箭发动机研制中最复杂的问题之一。
- Unsymmetrical dimethylhydrazine (UDMH) is the main fuel of liquid rocket propellant. Stress is always laid on the pollution of UDMH to water. 偏二甲肼(UDMH)是液体推进剂的主体燃料,其对水体的污染一直倍受重视。
- Between pairing marriage and monogamy intervenes a period in the upper stage of barbarism when men have female slaves at their command and polygamy is practiced. 在野蛮时代高级阶段,在对偶婚制和一夫一妻制之间,插入了男子对女奴隶的统治和多妻制。
- Abstract: To review the progress in the major ass ignment, the organization and implementation of protection against liquid rocket propellent. 文摘:综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
- Spin often interferes with internal operation of liquid rockets. 液体火箭的旋转常常会干扰其内部工作。
- The upper stage was able to reach then-record altitudes of almost 400 kilometers, higher than even modern Space Shuttles fly today. 上层火箭可以到达海拔400公里的高度,这是当时的纪录。甚至连现代航天飞机都不及。
- Abstract :To review the progress in the major ass ignment, the organization and implementation of protection against liquid rocket propellent. 摘要 :综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
- The upper stage mixing shaft, the cut reamer big shaft, the up-down body etc. are all passed the aging, quenching and tempering process. 上级搅拌轴、绞龙大轴以及机身上下体等,均经时效、调质、淬火处理;
- To review the progress in the major ass ignment, the organization and implementation of protection against liquid rocket propellent. 综述了发射大型运载火箭推进剂作业卫勤保障主要任务、保障重点、卫勤力量的分配、卫勤保障的组织和实施进展。
- The Chinese side accepted the first cause,holding that it is the resonance of the satellite and the upper stage with the launch vehicle that caused the failure. 中方认定是第一种模式,认为是卫星、上面级与火箭产生共振,导致失败。
- Technology of loxodrome coolant channel machining on liquid rocket engine. YUHANG XUEBAO/Journal of Astronautics. Vol.24 No.3. May,2003. Wang Yongqing, Lu Jiechi,Tong Yu. 等倾角螺旋槽的片铣刀铣削加工技术.;工具技术
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries