solar minimum meaning in Chinese

太阳极小期

This paper was conceived in a deep solar minimum .
这篇论文是在太阳活动极小年臆想出来的。
"stars: their birth, life, and death" is the result of a lifetime of work in the solar realm, embracing the full solar cycle but evincing none of the alleged deficiencies of composition at solar minimum .
《恒星的诞生、发展和死亡》一书是著者在恒星领域里工作一生的结果，经历了太阳活动周期的所有相位，然而却丝毫看不出所谓在太阳活动极小期缺乏特色的迹象。