The drawback with this approach is handling the overhead of scanning all the protocol control blocks (PCBs) a higher rate.

这种方法所带来的缺点是，处理以更高的速率扫描所有协议控制块 (PCB) 的开销。

youdao

The overhead of such a policy is quite high, but so is the control that it offers.

这样一种政策的成本非常高，但是它能够提供很高的控制度。

youdao

You can consider this your control, as there is no protocol overhead (except what you add yourself).

因为没有协议开销(除了您自己添加的东西外)，所以您可以认为这在您的控制下。

youdao

So the native South African took the insects (Scarabaeus satyrus) into the Johannesburg planetarium where she could control the type of star fields a beetle might see overhead.

BBC: Dung beetles guided by Milky Way

The striker had time to control the ball, but instead opted for the spectacular with an overhead kick, firing wide of Kirkland's left-hand post.

BBC: CHOOSE A SPORT