Atmosphere laser communication is the technique which usually using laser as the carrier directly transmits voice, data and image in the space.
大气激光通信是指利用激光作为载波在空间直接进行语音、数据和图像信息传送的一种技术。
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The Bluetooth is a communication protocol of the personal wireless network. The voice and the data can be transmitted in a near space by using this technique.