“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	book production-sale form book publishing in Sibao book purchase book purchase and selling Book Quality Guarantee System book recommendation book rental industry in ancient China book retail book return rate book review book reviewer book review journal book review science book sales cycle book sales exhibition book sales ranking books and disks books and periodicals design for surface finishing books buying and selling books editing Bookseller Booksellers Association books from the collection of the Caotang Academy Books from the Foundation of the City books from the tomb of Ji Prefecture

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。