论文部分内容阅读
在1986年召开的邮政工作会议上将邮件分拣中心分为三级,其中三级中心为230个,“七五”期间拟建近100个。本文就三级中心的特点及工艺设计进行初步探讨。一、三级中心的特点三级中心具有以下与一、二级中心不同的特点:
At the postal work conference held in 1986, the mail sorting center was divided into three levels, of which 230 were three centers and nearly 100 were proposed during the “Seventh Five-Year Plan”. This paper discusses the characteristics of the three-level center and process design. The characteristics of a three-level center The three-level center has the following different characteristics with the first and second level centers: