If you open the.project file, you will see that the Link path Variable is used instead of the actual physical path, as shown in Figure 9.

如果您打开这个项目文件，您将看到Link Path Variable已经被使用，从而代替了这个实际的物理路径，如图9所示。

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The rise and fall of signal strength in each "link" - the path from one mast to another - provides an average measure of how much rain there is between them.

BBC: Rain tracked with mobile network

To dispatchers in Lower Manhattan, that is the most obvious sign that all is still not well with PATH, a vital link for New Jersey commuters that still isn't back to full operation nearly three months after superstorm Sandy.

WSJ: PATH's Road Back Is Rocky