On June 20th, the Ministry of Science and Technology and the State Meteorological Administration jointly sponsored a press conference on the state key foundation researching and development-planning project. That is the key climate disaster formation mechanism and forecast theory research and field scientific experiment. It announces that from June to July of 2001 and 2002 China will engage a large-scale rainstorm field scientific experiment in the middle and lower streams of Yangtze River. This scientific experiment has the most investment and largest scale in the history of China...