雨区

zhòng lì bō xiàng dōng běi de chuán bō yǐ jí zài nán bù dì qū de wéi chí shì yǔ qū de yí dòng yǐ jí zài nán bù dì qū wéi chí jiā qiáng de yī gè zhòng yào yuán yīn

重力波向东北的传播以及在南部地区的维持是雨区的移动以及在南部地区维持加强的一个重要原因。

Inertia-gravity wave spreading towards northeast and maintaining in south is the important reason of rainfall region moving and continuously in south.