The element's URI attribute indicates the second item, specifying the URL at which the service can be found.

元素的URI属性指示第二项，即服务所在的URL。

youdao

The second item fp defines the fraction of those stars which have planets and, according to current scientific values, is something like 50 percent.

第二项fp 是这些恒星中存在行星的比例。根据现在的科学估计，这一项的值约为50％。

youdao

The second item fp defines the fraction of those stars which have planets and, according to current scientific values, is something like 50 percent.

第二项fp 是这些恒星中存在行星的比例。根据现在的科学估计，这一项的值约为50％。

youdao