近几年来,许多城市纷纷举办以政府为主导、企业为主体的跨地区、跨省份甚至跨国界的经贸文化活动。作为当地党委政府主办的重大活动,电视媒体必须全面准确迅捷地进行宣传报道。时效性是新闻最重要的特性,随着生活节奏和信息更新速度的加快,各种媒介竞争日趋白热化,人们对信息时效性的要求越来越高。电视虽然具有声画合 In recent years, many cities have held economic, trade and cultural activities in different regions, provinces and even borders that are dominated by the government and enterprises. As a major event hosted by the local party committees and governments, the television media must conduct comprehensive and accurate publicity coverage. Timeliness is the most important feature of news. With the accelerating pace of life and the speed of updating information, competition for various media has become more and more intense. People are increasingly demanding on timeliness of information. Although the TV with sound paintings together