入夏以来，长江流域的特大洪夹成为亿万人瞩目的焦点，更是气象学家、水文专家以及环保专家探讨的重点。’98洪水因何而来，防洪形势何以如此严峻？带著疑问，笔者走访了中国气象局国家气候中心及中国气象科学院的有关专家。专家的回答直截了当，降水见常是这次特大洪大的主要 Since the beginning of summer, the great floodgates in the Yangtze River Basin have become the focus of attention of hundreds of millions of people. It is also the focus of discussions among meteorologists, hydrologists and environmental experts. ’98 flood come from, flood control situation so serious? With doubt, I visited the relevant experts of the National Climate Center of China Meteorological Administration and the Chinese Academy of Meteorology. The expert’s response is straightforward. Precipitation, as usual, is the major reason for this extraordinary flood