The livelihood archives,which are the historical records formed in different level civil administration departments work of guaranteeing and improving people s life,are the original evidences for protecting the legitimate rights and interests of the people.

Revelations from livelihood archives in ancient Huizhou consists of many different aspects.

Techniques of Scheme Generation in Customer-Objected Conceptual Design of Mechanical Products;

The Research on Computer-Aided Scheme Generation for the Mechanical Product;

New product conceptual design scheme generation method based on ontology mapping

Schemes generation of conceptual design is reguarded as the most crucial technique in conceptual design of products,and it is the most important factor in determining the final quality of product,competitive ability in market and enterprise s profits acquisition.

Based on the existing fire devices and escape plan for road tunnels, integrated with the self-designed fire prevention and escape devices, the author puts forward a new set of escape