做好业务宣传　努力拓展分组交换业务罗远谦（广东省邮电管理局）１前言在当今社会，生产力的提高和经济发展，在很大程度上依赖信息的传播和处理能力。要在最短的时间里获取信息，要想很方便地交换信息、传递信息，从而使公司或企业有效地开展业务，提高工作效率，提高公... Do a good job of business promotion Efforts to expand the packet switching business Luo Yuanqian (Guangdong Posts and Telecommunications Administration) 1 Introduction In today’s society, productivity and economic development, to a large extent rely on the ability of information dissemination and processing. To get the information in the shortest time, in order to easily exchange information, transfer information, so that companies or companies to effectively conduct business, improve work efficiency, improve public ...