出口带宽是宽带负载能力，用M，G为单位。出口这里指的是国家之间的互联网交换中心的连接带。所以出口带宽指的是国际信息交换的负载能力。
仅最近十年间，中国互联网网民数量增长了2385.21%，中国网站数量增长了10123.9%，中国域名数量增长了11139.9%，中国国际出口带宽增长了80792.79%。
In only the past ten years, the number of Chinese Internet users increased by 2,385.21 percent, the number of Chinese Websites 10,123.9 percent, the number of Chinese domain names 11,139.9.
高校校园网网络主干带宽普遍升级到千兆甚至万兆，无线覆盖范围扩大，出口流量逐年增长。
University campus network backbone bandwidth is generally upgraded to Gigabit or even Gigabit, wireless coverage to expand, the export flow increased year by year.
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