“manned lunar exploration”的概念、定义、翻译、参考文献-科学参考

单词	manned lunar exploration
释义	manned lunar exploration Encyclopedia 工学月球探测释 manned lunar exploration载人月球探测利用载人航天器，将人类航天员送入月球轨道或着陆于月球表面，进行科学或工程探测活动。
随便看	unit step input unit step response unit step sequence unit subgroup unit subsemigroup unit system unit system of physical quantities unit tangent bundle unit tangent vector unit tensor unit test unit testing unit theorem Unit train unit triangle unit triangular matrix unit-typed office space unitunicate ascus unituning unit vector unit vector field unit weight unity Unity Agreement unity coupling

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。