在添加了所有主机后，主机列表窗口就会出现，窗口中每一个主机旁边会有一个检查标记表示主机已验证，如图16所示。

After adding all the hosts, the host list window appears with a check mark beside each host to confirm it has been validated, as shown in Figure 16.

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这样，视图选择公式就只需要检查那个标记。

Then your view selection formula need only check for that flag.

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我们检查每个标记并考虑以下问题。

We examine every tag and ask the following question.

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Suppose that there were some sort of genetic marker and, although we didn't have a tattoo that you would just have to look at, -- but you could have genetic counseling-- have your DNA examined and you could tell, if you had the DNA testing, how much time you had left.

假设有某种基因标记，虽然我们没有,让你不得不去看的在身上的标记了，但你可能会去做基因咨询-,检查你的DNA，如果你做了DNA化验的话，你就能知道自己还剩多少时间。

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