This allows a user to run a report with all data, preview with limited data, or preview with no data.

这允许用户在全数据模式下运行一个报表，在有限数据或无数据模式下进行预览。

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When you are ready to run the upgrade, change the preview to no.

准备好运行升级后，将预览修改为no。

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This command performs a Preview (no download will occur) to check if TL 5300-04 has been released.

这个命令执行“预览(Preview)”(并不会真正下载)，以检查是否发布了TL 5300 - 04。

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