In the grouting detection of engineering rock mass, besides the method of down hole acoustic wave,there are many other methods, Such as the down hole television, the seismic wave CT between holes, the discharge test in hole and so on.

This paper mainly deals with the components of new acoustic borehole televiewer and the performance characteristics;at the same time,the paper compare the new acoustic borehole televiewer with the ordinary optical one and the old acoustic one.

The principle,data acquisition and data process of the two test methods—borehole televiewer and borehole elastic modulus for transmission cable tunnel in Singapore were introduced.

Comply with the constant principle of angle of view of sideway look bore hole TV system, the diameter of well is measured directly and simply by utilizing the television system, which is analyzed theoretically and at the same time has been proved through experiments.

Application of Borehole TV in Shaft Formation by Long-Hole Blasting;

Jiangmen TV center comprises four sectors:sector 1 is a high rise building with an underground garage,sector 2 includes several broadcasting hall,sector 3 and sector 4 serve as office.

Broadcast Strategy of China TV;

Causes of China TV Vulgarization Cuture;

China TV screen in 2000 is a stage of tense competition for on which the old pattern of TV programs on region and grade is disintegrating and new TV programming forced are rising in the meanwhile.