在为概要文件定义云组时，把一个 IP 组标为 In use；在使用环境概要文件时，从与这个 IP 组相关联的 IP 地址池选择 IP。

When using an environment profile, it picks from a pool of IP addresses associated with the IP groups you marked as In use when defining the cloud groups for the profile.

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这些组在屏幕上通过包含标题的水平组标头分隔。

These groups are separated on the screen by a horizontal group header that contains the title.

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用不同颜色或者标着特别数字的橡皮筋标记每一组，这样你就可以区分这些不同组的物品。

You can differentiate between various groups of objects by tagging each group with a certain color rubber band, or a specific number of visible rubber bands.

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