This essay analyses the experiences of this crisis,and probes into the present conditions and main problems of information mechanism to public crisis management in China.

In the absence of the management node,the corresponding information mechanism,task schedule algorithm and limited task replication algorithm naturally evolve the system into equilibrium to perform large scale distributed computation with low cost.

By the theory of information space the author deduces and analyses the four types of information mechanism that are market, bureaucracy, clans and fief.

Along with the deepening of agricultural information institutions at the national level and the initiation of the implementation of reform in institutions in various part of China,the Provincial agricultural scientific research information institutions are also faced with opportunities and challenges.

There are some unnecessary information barriers in the information institutions of the knowledge-concentrated profession,which impede the development,reform and innovation of the productivity of the information institutions themselves seriously.

Developing Power Builder Ability by Windows Message Mechanism;

Applied remote monitoring system based on Windows message mechanism;

Message Mechanism and Key Functions in VC Programming;

Based on Delphi messages mechanism’s Data Remote Transportation;

This paper introduces the basic conception and the method to use Windows messages mechanism.

By introducing the basic theory and the method for using the Windows messages mechanism, this paper analyses in detail the processing method of the Delphi messages mechanism and illustrates how to apply the messages mechanism in Delphi IDE.

The output data from other application program are captured based on Windows message system.

This essay relates the message circle in Windows and message system in Delphi, which is very important to design self definition components and excellent program.