这增强无序数字记忆的趣味性，同时也减少了记忆所需要的空间。

This helps add interest to the random sequence of Numbers and pegs down the memory.

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量子计算机可以更有效的解决某些问题，比如：对无序数据库的搜索问题和大数质分解问题。

A quantum computer allows for more efficient solution of some problems, for instance, the unsorted database search problem and the prime-factorization problem.

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副栏显示了如何可以使用带 DTD 的无序子元素。 但除非另有一个令人信服的原因，否则，对于无序数据，最好使用属性风格。

The sidebar shows how you can use unordered subelements with a DTD, but unless there is a different compelling reason, it is better to use the attribute-style for unordered data.

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