when it exits, but until then it doesn't know which thread owns what.
Nearby means, the RSSI (signal strength) is less than or equal to a given value: -75 dBm by default. This default value corresponds to a medium distance and an ok-ish signal.，这一点在同城约会中也有详细论述
可以预见，Solo Friendly，或许是酒旅行业下一道必答的考题。，这一点在体育直播中也有详细论述
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