串联单是播控中心的灵魂，播控中心的一切工作都是围绕串联单进行的。无论是磁带播出还是硬盘播出，无论是手动播出还是自动播出，始终在追求“一挡节目”的播出效果，即对观众而言，永远是一挡节目，没有串联单的概念。那么，在新旧技术条件下串联单的性质到底有何变化呢？１ Series single is the soul of broadcast control center, broadcast control center of all work are carried out around the tandem single. Whether it is tape broadcast or hard disk broadcast, whether it is manually broadcast or automatically broadcast, always in the pursuit of “a block program” broadcast effect, that is, for the audience, it will always be a block program, there is no tandem single concept . So, under the new and old technical conditions in the end the nature of a single series of what? 1