楼主大人的问题我仔细读了三遍,个人见解仅供参考。有大容量的光盘的。DVD-R (G) 2 1 9.4GB GB DVD-R DL 1 2 8.5GBDVD+R 1 1 4.7GB DVD+R DL1 2 8.5GBBlu-ray (BD-R) 1 1 25.0GBBlu-ray (BD-R) 1 2 50.0GBHD DVD-R 1 1 15.0GBHD DVD-R 1 2 30.0GB我们常说的光盘,一般指VCD和DVD两类。而容量更大的是DVD(缩写:Digital Video Disc),又被称为高密度数字视频光盘。它是比VCD更新一代的产品。DVD分别采用MPEG—2技术和AC—3标准对视频和音频信号进行压缩编码。它可以记录135分钟的图像画面。与VCD不同的是它的图像清晰度可达720线。类型面 层容量Read Only Standard DefinitionDVD-Video/DVD-ROM 1 1 4.7GB (DVD-5)DVD-Video/DVD-ROM 1 2 8.5GB (DVD-9)DVD-Video/DVD-ROM 2 1 9.4GB (DVD-10)DVD-Video/DVD-ROM 2 2 17.0GB (DVD-18)Read Only High DefinitionBlu-ray (BD-ROM) 1 1 25.0GBBlu-ray (BD-ROM) 1 2 50.0GBHD DVD-ROM 1 1 15.0GBHD DVD-ROM 1 2 30.0GBWrite Once Standard DefinitionDVD-R (A) 1 1 4.7GBDVD-R (G) 1 1 4.7GBDVD-R (G) 2 1 9.4GBGB DVD-R DL 1 2 8.5GBDVD+R 1 1 4.7GBDVD+R DL1 2 8.5GBWrite Once High DefinitionBlu-ray (BD-R) 1 1 25.0GBBlu-ray (BD-R) 1 2 50.0GBHD DVD-R 1 1 15.0GBHD DVD-R 1 2 30.0GB