The paper associates the construction of a demonstrating uptown which is built with a new structural system of multi\|ribbed wall slab with light\|weight outer frame, mainly introduces the production techniques, installation and connection procedures of the multi\|ribbed wall slabs, and summarizes and briefly analyzes the management of a construction site and the construction cost.

Agricultural standardized demonstration area could be developed active roles with every departments coorperating each other, standardized management was inexorable means during developing agriculture.

In order to understand the influence of land use on soil fertility changes in Kenfu demonstration area of environmental immigrants, some studies were made on soil nutrients of demonstration area.

The paper preliminarily analyses the connotation and construction significance of circular economy demonstration area.

Research on system efficiency of pumping unit wells in demonstration areas of Qinghai Oilfield;

 Water and soil conservation project in Jiuyuangou demonstration areas in the Yellow River is a typical small watershed located in the hilly-gully areas on the Loess Plateau.

Set in the planning and construction for the sci-tech innovative pilot city Hefei s demonstration district, this paper discusses as how to work with the scientific outlook on development to give prominence to the integrating of natural resources and environment and to fix rationally the planning orientation, development strategy, scale and spatial layout.

Since 1988, the Yellow River Conservancy Commission of the Ministry of Water Resources has established 3 demonstration districts in Tianshui and Xifeng in Gansu province, and Suide in Shaanxi province, under the Yellow River Water and Soil Conservation project.

In the "double-chain" eco-agriculture demonstration district,the model of "company + demonstration base + farm households" is adopted in the production and marketing of harmless agricultural products.