



Public broadcasting | public broadcasting system knowledge popularization
2016-11-24
The administration of public broadcasting is by using the units themselves within the scope of this unit for the voice of the public service broad...
CTRLPA sound waves to disperse system
2016-11-11
The world's largest military radio speakers The military radio loudspeaker is located in fujian province xiamen xiang Ann area DaDengDao w...
"Theater Construction Standards" the preparation of the working conference held
2015-12-31
On 28 December 2015. The theatre Construction Standards Compilation Group members work conference held in Beijing, 12 compilation group ...