广播电视科技是广播电视事业和产业发展的重要支撑和保障,推动和引领着广播电视的发展。“十五”(2000年～2005年)期间,是我国广播电视数字化的准备和启动阶段。 Radio and television technology is an important support and guarantee for the development of radio and television businesses and industries, promoting and leading the development of radio and television. During the “Tenth Five-year Plan” (from 2000 to 2005), it was the preparation and start-up stage for the digitization of radio and television in our country.