新一代技术将同时增强功率控制，这将减少由于口袋里装有手机等物品而导致蓝牙信号中断的次数。
The new version also will have Enhanced Power Control, which is meant to reduce the number of disconnects that are caused by things like putting the cell phone in a pocket.
这是由FCC测试手机输出功率的方式决定的。
This is often done because of the way the FCC tests power output of the phone.
手机打开时才传输功率。
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