The lasers most people are familiar with are the green dots highlighting a PowerPoint presentation or the blue (actually closer to violet) light found in Blu-ray technology.
大多数人所熟悉的激光器是在做PowerPoint演示文稿时所使用的有着高亮度绿色圆点或着蓝色(其实更接近紫色)的紫激光技术。
Blu-ray and HD DVD are similar in technology. Both use a blue laser to read the information on the disc.
蓝光影碟机和高清数字影碟机采用了相似的技术，都用蓝色雷射光读取影碟上的信息。
There are other 3-d Blu-ray discs available, but they use the old blue-and-red glasses 3-d technology, which doesn't look nearly as good.
也有其他的3d蓝光光盘可用，但它们采用旧的红蓝眼镜三维技术，看起来不够好。
There are other 3-d Blu-ray discs available, but they use the old blue-and-red glasses 3-d technology, which doesn't look nearly as good.
也有其他的3d蓝光光盘可用，但它们采用旧的红蓝眼镜三维技术，看起来不够好。
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