In this paper,the static state characteristic,system mass and mass optimization of the liquid propellant of Space Orbital Transfer Vehicle propulsion system were investigated.
本文针对液体推进剂空间轨道转移飞行器推进系统的静态特性、系统质量及质量优化等方面进行了研究。
参考来源 - 空间轨道转移飞行器推进系统静态仿真与质量优化·2,447,543篇论文数据，部分数据来源于NoteExpress
Sensitivity analysis is introduced into the mass optimization of bus body in this paper.
文中将灵敏度分析引入到客车质量优化中。
Objective To deal with the mass optimization of thermal control system as well as environmental control and life support system(ECLSS) of manned spacecraft.
目的解决载人航天器热控和环控生保系统的轻量化问题。
Query optimization focuses on CPUbound execution paths, while a fully cached database will still be preoccupied with optimizing page fetches to mass storage that are no longer an issue.
查询优化集中于cpu密集型(CPUbound)执行路径，而全缓存数据库将仍然集中于优化取页到大容量存储器的操作，而这已不再是问题。
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