The third parameter is a hint for the system to indicate how quickly the application requires updates to the sensor values.
第三个参数是一个系统提示，指出应用程序更新传感器值所需的速度。
The MaxUserPort parameter determines the highest port number that TCP can assign when an application requests an available user port from the system.
MaxUserPort参数确定在应用程序向系统请求可用的用户端口时TCP可以分配的最高端口号。
The TcpTimedWaitDelay parameter, which controls the amount of time the operating system waits to reclaim a port after an application closes a TCP connection, has a default value of four minutes.
TcpTimedWaitDelay参数控制操作系统在应用程序关闭TCP连接之后等待端口回收的时间，默认值是四分钟。
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