音像系统 meaning in Chinese

av audio/video

Because nasa ' s space video system was incompatible with broadcast standards , it retransmitted the live images to the world by pointing a standard television camera at a tv screen , offering lower quality video still available today
因为美国国家航空和宇宙航天局的音像系统和标准广播系统不兼容，它通过对一个标准的电视机的电视屏幕摄像，再把影像传送到全世界，提供如今还能使用的低清晰度的音像。