The author points out that network structure of steel tape production and marketing is gradually becoming complicated with network characteristics more suitable to industrial development.

The fundamental monopoly of electricity network tends to weaken itself due to the change of network characteristics with the progress of technology.

It includes territory environment,industry environment and network environment;and then this paper creatively constructs a double-circulation model of dual-innovation and category of knowledge;on the basis of that,by extracting network character,the paper sheds lights on what is the suitable network environment of network for exploratory innovation and.

The character and data feature of the fuel pressure wave for diesel engine;

In order to overcome the difficulties in constructing kernel function with data feature for current su-pport vector machines(SVMs),this paper constructs three new kernel functions by reconstructing the similarity surface of data samples.