The Model testing Research of Regulation of Channel for San Daoguai River Reach of Lan Chang Mekon River;

Stochastic bridge processes are employed to analyze the characteristics of small scale fading and large scale path loss propagation in the wireless environment with the street corner.

Through adopting the special tools such as 120°angle square,the whole three crank shaft with the satisfying overall dimension and internal soundness has been forged successfully.

Strategy of òRenewal Step and Stepó and Low Cost Constructional Techniques for Remodeling Traditional Blocks: Taking òChongqing Chuandaoguaió Block as Example;