he cd laser 氦镉激光器
hollow-cathode He-Cd laser 空心阴极氦镉激光器
He-Cd laser 氦镉雷射
Cd laser therapy 氦镉激光疗法
Laser CD 激光光盘装置
laser video cd player 激光影碟机
With these equations we have designed for helium-cadmium lasers a new type of helium replenisher, which has lengthened the life time of a He-Cd laser to over 1000 hours so far.
按此方程所设计的用于长寿命氦—镉激光器的新型氦补充器，使氦—镉激光器寿命已超过一千小时。
The figure is now about 60%, and costs have dropped—the result of efforts to develop better laser printers, CD burners and even hair-removal devices.
现在这个数字已经变成了约60%，而且成本也降低了——这是为了发明更好的激光打印机，CD刻录机甚至脱毛工具而不断努力的结果。
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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