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一首MP3 歌曲約5MB，怎麼換算共需傳輸幾秒鐘 ?
Jun 23rd 2013, 11:01

一首MP3 歌曲約5MB，分別使用2G、3G、4G 共需傳輸幾秒鐘 ?

2G，可提供9.6 Kbps 傳輸速率

3G，靜止態狀2 Mbps 傳輸速率

4G，高速移動情況下，資料傳輸有100 Mbps

怎麼換算 2G、3G、4G 共需傳輸幾秒鐘(有換算算式嗎) ?

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