The size check ensures that there is only one entry in the set, as expected.
大小检查确保在集合中如预期那样只有一个条目。
Assume for this example that the server results set contains only one entry.
这个例子假定服务结果集只包含一项。
Only the information that you're immediately concerned with is shown here (only one entry is shown).
这里只显示最关心的信息(只显示一个条目)。
This allows products, or you, to change plug-in behavior. The default plugin_customization.ini file contains only one entry.
这就使得产品，或者说是您，可以改变插件的行为。
Listing 1 is an example from the live Wikipedia feed for an IBM developerWorks article, with only one entry, representing the latest modification, and with many minor tweaks for formatting purposes.
清单1 展示的示例来自于一篇IBMdeveloperWorks文章的Wikipedia提要，只包含一个条目，表示最新的修改，以及很多小的调整，以满足格式要求。
Only one entry may be included with each entry form.
每张参赛表格只可填写一个参赛项目。
Only one entry may be included with each entry form.
每张参赛表格只可填写一个参赛项目。
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