You can rename the input element labels by editing the HTML file with a text or HTML editor and changing the value between the label tags.

通过使用文本或HTML编辑器编辑HTML文件并更改label标签之间的值，您可以重命名输入元素标签。

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That means that automatic ad targeting isn't limited to the relatively small amount of video content generated by media companies and savvy bloggers who carefully label all of their content with text tags, he says.

FORBES: Magazine Article

Currently RFID tags are relatively expensive so most are used to log what is in boxes of goods rather than to label individual items.

BBC: NEWS | Technology | Viruses leap to smart radio tags