變更

[[File:专业术语123.jpg|thumb|350px|right|[http://www.360docs.net/pic/view?ih=810&rn=1&doc_id=f248c469650e52ea55189885&o=jpg_6&pn=1&iw=1080&ix=0&sign=2833b04e00c944c7bf2efbe6a5dc009b&type=1&iy=0&aimw=1080&app_ver=2.9.8.2&ua=bd_800_800_IncredibleS_2.9.8.2_2.3.7&bid=1&app_ua=IncredibleS&uid=&cuid=&fr=3&Bdi_bear=WIFI&from=3_10000&bduss=&pid=1&screen=800_800&sys_ver=2.3.7 原图链接] [http://www.360docs.net/doc/info-f248c469650e52ea55189885.html 图片来自360网]]]

== 概念 ==