Being the popular sound system of network, nowadays, MediaMatrix has been widelyused in various types of large sound systems.

calculating signal determinant by decomposingnetwork matrix is presented.

Under the conditions of a comprehensive temperature outside the room known as tz (τ) and the temperature inside the room known as t 0 , this paper derivated a formula calculating the heat amount conducted from both the single shield of wall body having inner and outer air shields and the wall body having multishields, through the use of network matrix, which enables to compute with computers.

According to the basic principles of hydromechanics and the electrical network theory, a new method named network matrix approach is presented in this paper to calculate ventilation system.

The switch matrix network composed of severals witch arrays is used to complete the automatic access between the radio channels and wire channels.

Analyzing Effect of the Network Media-based Distance Techniques Training for Farmers——A Pilot Study at Yu Jiawu(Hui Nationality) Township of Tongzhou District in Beijing;

On competition of network media;

Integrated report of Internet media in Doha Asian Games;

The streaming media technology has made possible the transmission of audio information and begun the direct competition between internet media and broadcast media.

According to the "fourth media" concept, which was formally proposed in the United Nations Information Committee s Annual, 1998, Internet media has become one of the the mass media.