由于协议栈执行的控制少，其优点是处理时间短、延时少，而且数据传输更快。

The advantages are lower processing, lower latency, and quicker data transfer due to less controls being performed by the protocol stack.

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栈是控制蓝牙设备的软件（和固件）。

The stack is the piece of software (and firmware) that controls your Bluetooth device.

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如果这个异常没有被捕捉到，它将立即关闭应用程序，并将一条错误消息和栈跟踪输出到控制台。

If this exception isn't caught, it will immediately kill the application with an error message and stack trace dumped to the console.

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