This can contribute to an important geochemical basis for the study of the regional diagenesis and metallogenesis in the Middle and Lower Yangtze River area.
此结果有助于为研究长江中下游沿江地区的区域成岩成矿作用提供重要的地球化学依据。
Lying on the lower section of the upper reaches of the Yangtze River, the Three Gorges Reservoir Area consists of submerged portions and resettlement related counties and cities.
三峡水库位于长江上游下段，受回水影响的水库淹没区和移民安置涉及的县市称为库区。
With the scientific management and reduction of pesticide application, the environment of potato planting region and the area of the lower of the Yangtze River will be improved.
由于生产管理决策的科学化，避免了盲目施用农药，促进了马铃薯主产区和下游广大区域生态环境的保护。
应用推荐