“预备航天员选拔”的概念、定义、翻译、参考文献-科学参考

单词	预备航天员选拔
释义	预备航天员选拔 Encyclopedia 工学航天员选拔与训练释 astronaut candidate selection预备航天员选拔根据选拔标准，挑选出经过训练有望成为合格航天员的候选航天员的过程。是载人航天工程航天员队伍建设的起点和重要环节，直接影响航天员的训练质量和效率。
随便看	vacuum deposition vacuum diagram vacuum diffusion welding vacuum discharging test method vacuum distillation vacuum distillation refining of rare earth vacuum drum dryer vacuum dry friction cold welding test vacuum electron beam remelting vacuum electron beam welding vacuum electronic device vacuum electronics vacuum encapsulation vacuum energy vacuum etallurgy vacuum etching vacuum evaporation vacuum evaporation technique vacuum evaporator vacuum expectation value vacuum-extraction of the fetus head for midwifery vacuum field vacuum filter vacuum filter equipment vacuum filtration of mineral processing products

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。