“Spörer minimum”的概念、定义、翻译、参考文献-科学参考

单词	Spörer minimum
释义	Spörer minimum [`spǝr·ǝr `min·ǝ·mǝm] ^ASTRONOMY A period of low sunspot activity that occurred between 1420 and 1570.
随便看	Dryinidae dry ink dry kiln dry limestone process dry measure dry mill dry mining dry mortar dry mounting dry offset dry oil Dryomyzidae Dryopidae Dryopoidea dry ore dry permafrost dry permeability dry pint dry pipe dry-pipe system dry-pit pump dry placer dry plasma etching dry plate dry-plate rectifier

科学参考收录了103327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。