近年来 IT 领域似乎一直不遗余力的满足人们对容量的渴望,连光盘也要再次扩容。我们现在使用的光盘格式有两种,CD 和 DVD,而 CD 光盘基本上已经被 DVD 光盘所取代(音频领域例外)。DVD 以它更快的读取速度,更大的容量赢得了更多消费者,但是伴随着近几年 HDTV 的普及以及软件容量的快速增长,面对动辄几 GB 甚至几十 GB 的文件(相信经常下载观看 HDTV 的朋友 In recent years, the IT field seems to have spared no effort to satisfy people’s desire for capacity, and even the optical disk has to be expanded again. We currently use two formats of CDs, CDs and DVDs, and CDs have basically been replaced with DVDs (with the exception of audio). DVD has won more consumers due to its faster reading speed and larger capacity. However, with the popularization of HDTV and the rapid growth of software capacity in recent years, DVD is faced with files of several GBs or even tens of GBs Often download HDTV watching friends