blu-raytechnology内容摘要：
old 50GB of data pared to DVDs holding of data How it works • The benefit of using a blueviolet laser is that it has a shorter wavelength than a red laser, which makes it possible to focus the laser spot with even greater precision. This allows data to be packed more tightly and stored in less space, so it39。 s possible to fit more data on the disc even though it39。 s the。阅读剩余 0%
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