相反，后期工件通常是不透明的数据块。

Postmortem artifacts, in contrast, are normally opaque blobs of data.

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当表示客户的每个数据块到达本地计算机以进行处理时，数据块将临时放在临时目录中。

As each block of data representing a customer arrives in the local machine for processing, it is placed temporarily in a staging directory.

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如果核心对一个数据块执行了一项操作的话，那它必须再另建一个数据块来保存结果。

If a core performs an operation on data stored in a chunk, it must create a new chunk to store the results.

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