上网流量:以MB、KB为单位,1MB=1024KB,1KB=1024B,1B(字节)=8bits(比特);上
网速率:以Mbps(兆位/秒)为单位(b为小写),1Mbps即网速为每秒1兆比特,而不是每秒1兆字节。若下载一个42MB的小视频,3G网速为42Mbps、21Mbps,则需耗时8秒、16秒,以上为理论值,实际使用情况因网络等因素会略低。(上述内容仅适用于广东联通用户)
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