无线设备的内存容量相对较小，显然不可能处理任意长度的响应。
Wireless devices have relatively small amounts of memory, and clearly cannot process responses of arbitrary length.
（如果你是PBS粉丝，确实如此）不错，免费的PBS软件可以让你在自己的设备上观看完整长度的PBS制作的视频——包括像“前线”这样的流行新闻节目和“PBS新闻时空”。
That's right, the free PBS app will allow you to watch full-length PBS productions on your device -- including its popular news programs like FRONTLINE and the PBS Newshour.
在本例中，您将遍历recv聚合的内容、为每个元组(设备名、PID和进程名)相加包的长度，然后发出该数据。
In this case, you iterate through the contents of the recv aggregate, sum the packet lengths for each tuple (device name, PID, and process name), then emit this data.
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