“黑子相对数”的概念、定义、翻译、参考文献-科学参考

单词	黑子相对数
释义	黑子相对数 Encyclopedia 理学太阳物理学释 sunspot relative number黑子相对数衡量日面上黑子多寡的指数。 Astronomy relative number of spots; sunspot relative number黑子相对数
随便看	overhead line overhead line engineering survey overhead line system overhead passenger device overhead transmission line passageway overhead travelling crane overhearing overheat overheater over-heating overheating over-heating instability overheat sensing element over-ideal over-identification over-identified equation overimplicit overjet overjump overjustification effect overlaid wood-based panel overland flow overlap overlapfree word overlap function

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。