因为光的频率非常高,可以比频率低很多的微波或无线电波承载更多的数据。
Because light has a very high frequency, it can carry a lot more data than microwaves or radio waves, which have much lower frequencies.
蓝牙定义了数据是如何管理和格式化、以及在无线个人区域网上是如何承载的。
Bluetooth defines how data is managed, formatted and physically carried over a wireless personal-area network (WPAN).
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