提高信函自动分拣上机率降低平信误分率哈尔滨市邮政局李毅于新华一、概述实施邮区中心局体制是我国邮政通信网的发展趋势，是网络体制的一次重大变革。其目的在于：减少邮件在全网运行中的经转层次，加快邮件的传递速度；采用机械化、自动化邮件处理设备，组织规模生产，... Improve the probability of automatic letter sorting to reduce the level of misclassification Harbin Post Bureau Li Yi Yu Xinhua I. Overview The implementation of post office central office system is the development trend of China’s postal communications network is a major change in the network system. Its purpose is: to reduce the transit of mail in the operation of the entire network to speed up the delivery of mail; using mechanized and automated mail processing equipment, mass production, ...