在使用自定义计算时不能编辑计算项公式。

You cannot edit the formula for a calculated item while custom calculation is used.

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这些节点是为轻量级的任务所用的，像自定义计算，文件系统的移动、创建目录、删除等等。

These nodes are meant for lightweight tasks like custom calculations, FileSystem move, mkdir, delete.

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自定义计算区域，实现时间与空间的任意组合，满足了用户对数据及其表现形式的各种需求。

By choosing a region at random from the map and making any combination of time and space, user "s demands of data and data" s representation are met.

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