BLE
/biːliː/ 9Bluetooth Low Energy is a wireless, low-power personal area network that operates in the 2.4 GHz ISM band.
noun [专属名词]abbr. 火车司机兄弟会（Brotherhood of Locomotive Engineers）
BLE Beacon Technologies, Applications, and Revenues. 全球BLE信标技术，应用，及收益。
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