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Allowing a "simulation" (dry run) before actually committing to the backup.

在实际提交备份之前，允许进行“模拟”(演习)。

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When the thief used the server, his files were transmitted to the backup site.

当贼使用电脑的时候，电脑就会向备份服务器传输文件。

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You take a backup from the device, modify the backup, and then restore the modified backup to the device.

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Ships fitted with eLoran receivers will now be able to use the backup radio signal to reach port.

BBC: Navigational backup to aid ships in Dover straits

Clickfree's entire lineup of products, from the Transformer Cable to Clickfree portable backup drives and DVDs, are designed for the 85 to 95 percent of computer users who, research shows, fail to regularly backup content on their PCs because they do not have the time, desire or skill to install, set up and use confusing or complex software and hardware products.

ENGADGET: Clickfree Transformer Cable gives any USB hard drive auto backup functionality