进入９０年代以来，几乎每个夏季，洪魔都在中国的大地上肆虐。１９９８年，长江、松花江、嫩江水患成灾，大片农田被淹，不少民房、桥梁、铁路、公路、涵闸、电力设施遭破坏，给沿江地区城乡人民群众生命财产带来严重威胁。１９９８年的洪涝灾害为何如此严重？专家们认为... Since the 1990s, almost every summer, the demons have wreaked havoc on the land of China. In 1998, the flooding of the Yangtze River, Songhua River and Nenjiang plagues and large areas of farmland flooded. Many houses, bridges, railways, highways, culverts and power facilities were destroyed, posing a serious threat to the lives and property of people in both urban and rural areas along the Yangtze River. Why was the flood disaster in 1998 so serious? Experts think ...