The authors introduce a principle that the computer controls the multimedia teaching centralizedmonitoringsystem by using of DTMF.
介绍了一种计算机通过利用双音多频(DTMF)码进行控制的多媒体数学集中控制系统的工作原理。
2
The authors introduce a principle that the computer controls the multimedia teaching centralizedmonitoringsystem by using of DTMF. This method is simple and dependable.
介绍了一种计算机通过利用双音多频(DTMF)码进行控制的多媒体数学集中控制系统的工作原理。
3
The system has been in China a number of cities in the centralizedmonitoringsystem for the country and the people in production and daily life to provide strong security.