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)。
In some cases, you might be dealing with a dirty laser in your CD or DVD deck; more often, however, the culprit is a scratched disc.
在某些情况下，你可能应清理CD盒或DVD盒内的脏光头；然而，大多数情况是，罪魁祸首是划了的碟。
The current status of laser CD industry and market is described. And the development trend of the technology and products is predicted.
本文阐述各种激光光盘装置产业和市场的现状和预测，技术和产品发展趋势。
Data can be crammed much tighter on a CD than on a magnetic floppy or hard drive because a laser beam can be focused to a much smaller point than magnetic heads.
数据在光盘上的排列比在软盘或硬盘上更加紧密，原因是激光束可以比磁头聚焦到更小的点上。
Objective Inquisiton of the influence of laser therapy via nasal cavity on the CD antigen of cerebral embolism patients with comparison of before and after treatment.
目的探讨经鼻腔激光照射疗法对脑梗死病人治疗前后外周血cd抗原的影响。
In this thesis, based on the CD ROM laser auto-focusing detecting principle, a low-cost, high-precision, non-contact micro-displacement measurement sensor system is developed.
本文基于激光自动聚焦探测原理研究开发了一种低成本、高精度的非接触式微位移传感器。
Conclusion Laser therapy via nasal cavity improved the ratio of CD antigens, and manifested certain clinical significance in the treatment of cerebral embolism.
结论经鼻腔激光照射疗法可改善CD抗原比例，对脑梗死的治疗有一定的临床意义。
Using the transparence CD, PSD can detect the displacement of laser spot between non-placing and placing the CD, and it can be used to calculate the parallelism between optical head and spindle motor.
考虑在主轴上放置透明盘片，用PSD测量位移子系统测出放置透明盘片前后的光斑移动距离，就可以计算出光头与主轴马达间的平行度。
Using the transparence CD, PSD can detect the displacement of laser spot between non-placing and placing the CD, and it can be used to calculate the parallelism between optical head and spindle motor.
考虑在主轴上放置透明盘片，用PSD测量位移子系统测出放置透明盘片前后的光斑移动距离，就可以计算出光头与主轴马达间的平行度。
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