變更

== 理论简评 ==

[[File:Viewgjjt.jpg|缩略图|left|[http://www.51wendang.com/pic/28a7bd6542a2b43d8bf5c6b1/1-810-jpg_6-1080-0-0-1080.jpg 原图链接][http://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%9F%AF%E5%B0%94%E4%BC%AF%E6%A0%BC%E5%9B%BE%E7%89%87&step_word=&hs=2&pn=5&spn=0&di=3300&pi=0&rn=1&tn=baiduimagedetail&is=0%2C0&istype=0&ie=utf-8&oe=utf-8&in=&cl=2&lm=-1&st=undefined&cs=2002050153%2C1925276556&os=2307532695%2C2752450352&simid=0%2C0&adpicid=0&lpn=0&ln=109&fr=&fmq=1550661265380_R&fm=&ic=undefined&s=undefined&hd=undefined&latest=undefined&copyright=undefined&se=&sme=&tab=0&width=undefined&height=undefined&face=undefined&ist=&jit=&cg=&bdtype=0&oriquery=&objurl=http%3A%2F%2Fwww.51wendang.com%2Fpic%2F28a7bd6542a2b43d8bf5c6b1%2F1-810-jpg_6-1080-0-0-1080.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Fooo_z%26e3Bc8ojg1wg2_z%26e3Bv54AzdH3F15vAzdH3Fdbw0k1mc9dwdk9n1bkucvmk8&gsm=0&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 来自百度图片]]]