Laser discs can store prodigious amounts of information.
激光磁盘能够贮存大量信息。
The technical superiority of laser discs over tape is well established.
光盘相对磁带在技术上的优越性是确定无疑的。
Anyone with a few dollars to spare can get themselves a laser pointer, and every CD, DVD or Blu-ray player USES a laser to read the bits encoded on discs.
任何一个有几美元零花钱的人都买得起激光笔，每台CD、DVD或蓝光播放器都是用激光读取光盘上的数位编码(不言而喻，老式光盘播放器也是如此)。
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