Climate;
Center,;
China;
Meteorological;
Administration,;
Beijing;
100081,;
China;
Academy;
of;
Meteorological;
Sciences,;
China;
Meteorological;
Administration,;
Beijing;
100081,;
China;
Meteorological;
Office;
of;
Foshan,;
Foshan;
528300,;
China;
ENSO事件; 降水事件; 降水频率; 中国; 厄尔尼诺事件; 拉尼娜事件; 热带太平洋; 拉尼娜现象;