“南华期”的概念、定义、翻译、参考文献-科学参考

单词	南华期
释义	南华期 Encyclopedia 理学南华期释 Nanhua Period南华期以南华纪命名，相当于元古宙晚期（距今8亿～6.8亿年）的地质时期。
随便看	sounding of the lower ionosphere sounding pole sounding rocket sounding rod soundings sounding thinning sound insulation sound insulation and noise reduction materials sound insulation class sound insulation coefficient sound insulation enclosure sound insulation in architecture sound insulation material sound insulation of combined structure sound insulation room sound intensity sound intensity level sound intensity meter sound interferometer sound interpretation sound lag sound lens soundless sound level sound level meter

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。