Based on the practical value of degree centrality,close centrality and betweenness centrality,this paper analyzes space structure character of aviation tourism system in Sichuan and measures the links among tourism destinations,which symbolize the importance,accessibility and intermediate of aviation tourism system in Sichuan respectively.

According to Hsin-yu Shih s research and based on tourist route and tourist flow,this paper analyzes the practical value of degree centrality,closeness centrality and betweenness centrality of social network theory through measuring the l.

A Study in American Media History from Mediocentric;

The catalytic effect of hydro-peroxide (H202) on the electrochemilurainescence (ECL) of luminol in neutral medium was studied in this paper.

The Measurement of energetic photon produced in intermediate energy and relativistic energy heavy ion collisions provides opportunities for investigating many interesting and sophisticated problems such as properties of nuclear matter under extreme condition, bremsstrahlung, neutral meson production both below and above the production threshold in free nucleonnucleon collision.

On Deng Xiao Ping′s View of Intermediary Social;

A Primary Study on Urban Intermediary Pedestrian Space Design;

Compilation functions as the intermediary between writing and publication,between writing and reading,and it has the orientational function in information communication.

To set up truly objective, fair, scientific and effective higher education′ s evaluation institutions of an intermediary nature, it is imperative to straighten out the relations between these institution.