求翻译：节目管理是对节目类业务变更的管理，根据实施变更的复杂程度，节目类业务变更（以下简称节目变更）分为一类变更、二类变更、三类变更和四类变更四类变更，其中有的节目类又分为改版和非改版。节目类业务变更工作流程适用内容为：由集团各演播室制作完成并播出的节目，其制作播出情况发生变更，且该变更需由两个以上部门协作完成或对两个以上部门的业务工作产生影响。是什么意思？

Program management is the class of business change management program, implementing changes based on the complexity of the class of business change programs (hereinafter referred to as program changes) into a class change, two types of changes, three changes and four changes to four changes, includi

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The program management is to the program class service change management, according to the implementation change complex degree, the program class service change (hereafter refers to as program to change) divides into a kind of change, two kind of changes, three kind of changes and four kinds change

Program management is the management of program business change, according to the complexity of implementing change, show business change (hereinafter referred to as programming changes) into a class of change, the second class change, three types of change and four types of changes four types of ch

Program management is the management of program business change, according to the complexity of implementing change, show business change (hereinafter referred to as programming changes) into a class of change, the second class change, three types of change and four types of changes four types of ch