Establish the terrace on water quality information system foundation, the science land utilization USES with adjust to control the it, realizes the water environmental protection target.
建立水质信息系统基础平台，科学地利用和调控水环境承载能力，实现水环境保护目标的实现。
2
With the increase of sediment delivery modules, the difference between RRS of terrace, forest, grass and RRS of dam land decreases.
随着流域输沙模数的增加，梯田、造林和种草等措施的RRS与坝地RRS差异变小。
3
Valley-basin cities usually develop in the area of a valley terrace with a good location and better conditions of water and land resources.