Healthwise, the Northern Hemisphere and the Southern Hemisphere outside of sub-Saharan Africa are more alike than different.

以健康问题而言，北半球与南半球（非洲撒哈拉沙漠以南除外）的相似相异。

Recently northern global climate was controlled by high (low) base state, low (high) decadal and interannual variability of SOI(NAOI).

近期北半球处SOI基本态年际及年代际，NAOI基本态年际及年代际的慢过程下。