在市场竞争日趋激烈的今天，当初几乎是邮发一统天下的局面已经彻底地被打破，邮发、邮购逐渐形成了期刊发行的两大系统。邮局也不得不改变过去那种高高在上唯我独尊的做法，宽容一个期刊同时进行邮发、邮购。即便如此，一些期刊为了降低成本，干脆抛开邮发，仅自办发行搞... In an increasingly fierce market competition today, the situation was almost completely dominated by the mail and mail has been completely broken, postal mail, mail order gradually formed a journal issued two systems. The post office also had to change the past, the only high above I only respect the practice of tolerating a journal at the same time by mail, mail order. Even so, some journals in order to reduce costs, simply put aside the postal, publish their own issue ...