This is a good way to control the visibility of a given set of items on an XForms, without resorting to CSS declarations.

这种方法可以很好地控制 XForms 上给定组件的可见性，并且不必借助于 CSS 声明。

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The purpose of the control, however, remains the same — it affords a user the ability to select a single element from a set of items.

然而，控件的用途仍旧相同—它为用户提供从一组项目中选择单个元素的能力。

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It has a very large set of items (over 600k) - much larger than any similar dataset, where usually only the number of users is large.

它拥有非常大的条目数(超过600k) -和那些通常用户数大的数据集相比要大得多。

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Beyond the ranking component, we compute a larger set of ranked items on your first request and subsequent paging request are substantially faster, while keeping a low memory footprint.

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At the top of the pyramid are Unique Set items, which are the rarest of all, and which have the best enchantments, especially if you can find two or more pieces.

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There was also a variety of one-off items, including a set of stocks which celebrities including Alice Cooper, Jonathan Ross, One Direction and Michael Douglas have posed in.

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