在我们的表单中，我们按照如下方式开始使用XFDL标签项。

In our form, we begin by using XFDL label items as follows.

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例如，用户可能想要复制图像的标题，但他们不太想复制标签项或屏幕标题的文本标签，例如帐户。

For example, a user might want to copy the caption of an image, but they're not likely to want to copy the label of a TAB item or a screen title, such as Accounts.

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一般来说，单独的标签项使用的频率更高，原因是它们可对应于表单上的其他项出现在表单的任何位置；它们并不局限于项目的左上部。

In general, the separate label items are used more often because they can appear anywhere in relation to other items on the form; they are not limited to the top-left portion of the item.

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One of the other things that MHC1 does, in addition to marking yourselves as your own, is that it's capable of making combinations with all the different molecules that are present inside the cell and expressing them on the surface, and sort of showing them to the outside world.

HC1的另一项功能,除了给你标记一个独一无二的标签以外,MHC可以和细胞内所有不同的,分子结合 使其能够呈现在细胞表面,使其暴露于外界

耶鲁公开课 - 生物医学工程探索课程节选