“黑子周变化”概念、定义、翻译-科学时代

单词	黑子周变化
释义	地球科学词汇手册 sunspot cycle variation 黑子周变化
随便看	on the Web ontic being ontic falsity ontic truth on time on-time on-time delivery on-time performance on-time running ontocline ontogenesis ontogenesis ontogenesis ontogenesis ontogenesis ontogenesis ontogenetic development ontogenetic diversity ontogenetic niche ontogenetic psychology ontogenetic psychology ontogeny ontogeny ontogeny ontogeny

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。

sunspot cycle variation