3月13日,我国第一套电视发送设备和电视接收机试制成功了.这是广播战线上的一件大喜事,它标志着我国广播事业又向前迈进了一大步,在宣传战线上又增加了新的力量.密切协作过去有些国家,试制电视设备曾经过极其复杂的过程,有的要几年.但是在我国,由于各个有关部门的密切协作,只用了七、八个月的时间就试制 On March 13, China’s first television transmission equipment and television receiver were successfully trial-produced, a great event on the radio front, which marked a big step forward for our broadcasting industry and on the propaganda front In recent years, there has been an extremely complicated process of trial production of television equipment, some of which take several years. However, in our country, due to the close cooperation of all relevant departments, it took only seven or eight months Time trial system