“不留级制”概念、定义、翻译-科学时代

单词	不留级制
释义	教育学词汇手册不留级制 scheme of nondetention
随便看	X-ray absorption edge X-ray absorption spectrometer X-ray absorption spectrum X-ray analysis x ray analysis X-ray analysis X-ray apparatus X-ray astronomy X-ray astronomy X-ray astronomy X-ray background X-ray background X-ray beam stop X-ray binary X-ray burst X-ray burster X-ray camera X-ray camera X-ray container examination system X-ray controller X-ray counter X-ray coverage X-ray crystal density X-ray crystal density X-ray crystallography

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。