In view of the current side slopes ecological restoration of expressway in the technical model,plant selection,pointed out that China\'s process of side slopes ecological restoration problems,introduced several new ecological restoration technologies of expressway,and prospected the future of ecological restoration technology in expressway.

As a common restoration technique to degradation lake,biomanipulation mainly utilize the principle of descending effect.

Researches on restoration technology of degenerated artificial haloxylon ammodendron forest were carried out.

Based on the project case,the paper putts forward the mitigation measures and restoration technology for the highway borrow pit construction.

With the summary of the studying trend at home and abroad, it proposed the direction, operating procedure and objective of developing wetland research in the Yellow River delta, which provides reference for future research of ecosystem conservation of wetland and recovery technique in the Yellow River delta.

In the thesis,mechanism of packet loss was described,several current recovery techniques for packet loss were discussed and writers viewpoint was proposed.