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hem to rebuild their homeland. We can present them our pocketmoney and clothes. ...

，气温不断降低，冷凝致雨，形成锋面雨，从而在我国东部地区冷暖气流交汇的地带出现一条降水较多的锋面雨带。2.锋面雨带的移动：五月，雨带徘徊在南岭一带；六月，雨带移...