“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	sigma electron sigma field sigma-field sigma field of events sigma-field of events sigma-field of sets sigma field prior to tau sigma-field prior to tau sigma-field prior to τ sigma-field strictly prior to τ sigma-finite sigma finite measure sigma-finite measure sigma-finite measure space sigma formyl complex sigma-formyl complex sigma-function sigma-group Sigma hypernucleus sigma hypernucleus Sigma hyperon sigma hyperon sigma-ideal Sigma index method sigma-locally finite family

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。