sync命令不会更改现有的模型。

The sync command will not change an existing model.

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对于现有的模型，可以按如下方式将本地任务转换为本地人工任务。

For existing models, local tasks can be converted to local human tasks as follows.

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注意，新的PD M不是必要的，因为工件可以添加到现有的模型中。

Note that a new PDM is not strictly necessary, because the artifacts can be added to an existing model.

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