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2014年4月11日,腾讯QQ同时在线用户突破2亿大关,并兴奋地对外发布了“同时在线2亿”的大数据图谱。这张以点亮中国的方式勾勒出来的分布图,在宣告移动互联网时代的完胜之际,却出人意料地印证了早在79年前就已划出的中国人口地理分界线——胡焕庸线。这条又被称为“瑷珲—腾冲一线”的45度斜线,如今对于当下中国的经
April 11, 2014, Tencent QQ online users exceeded 200 million mark at the same time, and excitedly released the “at the same time online 200 million” big data map. This outline sketched out in a way that illuminates China surprisingly confirms the geographical boundary of China, Huhuanyong, that was outlined 79 years ago when it declared the victory of the mobile Internet era. This is also known as “瑷 珲 - Tengchong line ” 45 degree slash, now for the current China by