您即将离开北大未名BBS，访问
https://mp.weixin.qq.com/s?__biz=MjM5OTY3OTM4Nw==&mid=2651502535&idx=1&sn=6696287b6a5ac7e2c8809c7e3fa68101&chksm=bcc9d3338bbe5a253dd48fcb940ae4ea1dc9dcae7d8554a1629b3cf216c2e96ec5d96f5d4cbc&scene=0&xtrack=1&key=55f03fa93a32ec084944d114aef02af06553e3f1265c8fbad4d1386eae6425f5414b1669d783d585b12120a5e4b1bf65292c75300650441670f08da68d3e4672b02f66154a010fd9133c3b58206a954c&ascene=1&uin=MTU3NzAxNjQ2NA%3D%3D&devicetype=Windows+10&version=62060739&lang=zh_CN&pass_ticket=dvYuG9y3LZXPN2xqqLxXQslKY8vaAHEScii9%2B0Kl1dRAaEIkwUnNwPSioVu5UbDB
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