Although there re different opinions on the nature of joint-developing contract,it is the same on initial belonging of the ownership of the house,balancing the benefits of every party.

According to contract law and the author′s practicing experience this paper discusses the attribution and benefit-shared of technological achievement in technological development contracts.

According to contract law and the author′s practicing experience,this paper discusses the attribution and benefit-shared of technological secret achievement in technological development contracts.

However, co-operative development often appears in practice because of the complex factors such as the lack of land, the investment, the approval and so on, which results in the need of co-operative real-estate development contract.

Discussion on the synchronous development of mineral resources and ecological environment;

System Modeling and Supporting Software Development of Product Collaborative Development Chain Base on Product Platform and Axiomatic Theory;

Problems of collaborative development for complex product and application of High Level Architecture(HLA) in industrial collaborative simulation were analyzed.

Implementing product collaborative development strategy helps MC enterprise to improve product quality,reduce product cost and accelerate the development speed.