“USNO”的概念、定义、翻译、参考文献-科学参考

单词	USNO
释义	USNO Encyclopedia 工学时间系统释 United States naval observatory time；USNO美国海军天文台时美国海军天文台（USNO）产生和保持的协调世界时（UTC），也是美国国防部的标准时间。理学天文台释 United States Naval Observatory ; USNO美国海军天文台美国一家天文机构。 Astronomy USNO全称：United States Naval Observatory。美国海军天文台
随便看	Heaviside crater Heaviside distribution Heaviside function Heaviside lambda Heaviside layer Heaviside-Lorentz unit Heaviside, Oliver Heaviside operational calculus Heaviside pi Heaviside step function Heaviside theta Heaviside unit function heavy added information constraint heavy aggregate heavy aromatics transalkylation process heavy atom effect heavy cargo carrier heavy chain heavy chain disease heavy chain nephropathy heavy charged particle interaction with matter heavy charged-particle interaction with matter heavycolour heavy crude oil heavy crude sewage treatment technology

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。