“美国国立光学天文台”的概念、定义、翻译、参考文献-科学参考

单词	美国国立光学天文台
释义	美国国立光学天文台 Encyclopedia 理学天文台释 NSF's National Optical Astronomy Observatory; NOAO美国国立光学天文台美国国家科学基金会（NSF）下属的国家光学天文台。
随便看	length functional length-limitation of staple fiber length-mass-time length measurement length measuring instrument length measuring sensor length modulation length of a curve length of a line segment length of an interval length of a queue length of arc length of a segment length of a sequence length of a series length of a string length of a vector length of a walk length of a word length of charge length of circumference length-of-day change of the earth length of delay length of exposure length of intervals

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。