第一种形式是前缀增量操作。

The first form is a prefix increment operation.

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要生成惟一的图书IDs，您将使用一个AtomicInteger，它能确保增量操作是原子级的(atomic)，从而确保线程安全。

To generate unique book IDs, you use an AtomicInteger that ensures that the incrementation operation is atomic, and thus thread-safe.

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还可以使用脚本来执行更精细的操作，比如增量备份。

Scripting can also be used to perform much more elaborate actions such as incremental backups.

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