“A1原子时”概念、定义、翻译-科学时代

单词	A1原子时
释义	天文学词汇手册 A1原子时 A 1
随便看	Libra librarian librarian certificate librarian club librarian quality librarians' association librarianship library library library library library library library library access system library acquisition library acquisition library acquisition policy library administration library administrative committee library aesthetics Library and Information Association of New Zealand Aotearoa library and information profession library and information science abstract database library and information science education

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。