Sketches the principles of mechanical analysis and presetting technology and their function and importance in design of reflector structure of big diameter parabolic antenna They are successfully applicated to parabolic antenna structure design of 20 m satellite communication earth station and have significant economic benefit, and provide reference and experience to the same engineerings as wel

Study on the First-Round Delphi Investigation of Technology Forecasting in the Hi-Tech Industry;

A case study is presented to show the process of application of TRIZ to technology forecasting.

Being emphasized on the base of difference between technology forecasting and technology foresight,it makes an instructive probe into technology foresight and economy sustainable development.

The situation of study and application on the prediction technology of coal and gas outburst was summarized,effects obtained and current problems were discussed,and countermeasures to advance the technology in the future were put forwarded.

The paper firstly stated the present status and development tendency of coal and gas outburst prediction technology in China.

Based on the current situation of Chinese telecommunication industry and using the number of regular telephone users as an example,the application of qualitative and quantitative prediction technology to the decisionmaking of Chinese telecommunication service development is discussed.

This paper discusses the technology used in the system: object-oriented programming technology,OLE technology,forecast technology,database technology and Web technology.

The Study of Rainstorm Prediction Technique in Zhejiang Province;

The present prediction techniques and forecasting accuracy of extratropical storm surge in the world are reviewed briefly.

Prediction Technique of Drifting Course of Disabled Ships;