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1、IP地址（Internet Protocol Address）是互联网上用于识别设备的数字地址。

China Map Shows Provinces and Cities China is a vast country consisting of 34 provincial-level administrative regions, including 23 provinces, 5 autonomous regions, 4 municipalities directly under the central government, and 2 special administrative regions. Understanding these provinces and cities on the map of China not only enhances our geographical knowledge, but also helps us better understand...

3、IP地址通常分为两种类型：IPv4和IPv6。

Qinhuangdao China won nine gold medals