为什么我多次扫描后，在我的电脑上同样的错误？

Why do I have the same errors on my computer after several scans?

youdao

因此，您通常需要进行多次扫描，以识别网络中所有有效的主机。

Therefore, you often need multiple scans to be able to identify all the hosts on the network that you know are valid.

youdao

相反，他们必须对志愿者在虚拟空间里的每一个位置进行多次扫描。

Instead, they had to perform several scans of volunteers in each location.

youdao