The circulation background and its pattern evolution of 100hPa and 500hPa in October 2000 are analyzed from the angle of extended forecast.

Water environment condition and evolution tendency analysis of the main lakes and reservoirs in Nanjing;

The main problems and the evolution tendency of the agricultural ecological environment in the Sichuan area are analyzed and some measures are presented.

In terms of the demand theory,it made a further prediction of the evolution tendency of arable land use in each county under the driving forces.

Comparison and analysis of remote sensing data are conducive to understanding the evolution trend of the Lake and giving suggestions for restoration and.

The general situation of Jinghong waterway is introduced,and the cumulated rate of sand transport and the dominant discharge for channel formation are calculated,and the causes of the formation of Jinghong shallow as well as it s evolution trend are analyzed,and the regulation principles for relevant readers are put forword.

This paper forecasts the river evolution trend, through analyzing the history and recently river channel evolution of Ma anshan reach located the principal river of yangtse river, An hui province.

Objective To study the clinical changing trend in gastric cancer.

Located in the north Jiangsu,East China,Lixiahe region is a relatively closed region with frequent flood,it is of great importance to discuss flood changing trend and flooding mechanism for the mitigation strategy in Lixiahe region.