用“sunspot number”造句大全,sunspot number造句
1、international relative sunspot number
2、It is found that el Nino, relative sunspot number and sub-high integrated index in west Pacific well correspond to the regularity of drought and flood.
1、international relative sunspot number
2、It is found that el Nino, relative sunspot number and sub-high integrated index in west Pacific well correspond to the regularity of drought and flood.