變更

|center|[https://image.baidu.com/search/detail?ct=503316480&z=0&ipn=d&word=%E6%9D%8E%E5%BF%A0%E7%8C%AE&step_word=&hs=0&pn=0&spn=0&di=1760&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=1402065577%2C3826096014&os=3722600324%2C2342792685&simid=4149840968%2C664000720&adpicid=0&lpn=0&ln=156&fr=&fmq=1600939749737_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%2Fxpic.x-mol.com%2Ftutor%2F20191221%2FXMGNPN00008.jpg&fromurl=ippr_z2C%24qAzdH3FAzdH3Ffwrt_z%26e3Bx-45s_z%26e3Bv54AzdH3F7gtej6ftpyAzdH3Fuwv7spyAzdH3Fl80nd&gsm=1&rpstart=0&rpnum=0&islist=&querylist=&force=undefined 原图链接] [https://www.x-mol.com/university/faculty/91732 图片来源天津大学]]]