From itself to the underlying object that we're iterating over.

从自身的基本对象，我们遍历了。

youdao

In addition, it often is necessary to make changes to the XSDs to align them more closely with the underlying object model.

此外，通常需要对XSD进行更改，以便其与基础对象模型更紧密一致。

youdao

When all file descriptors for an instance are closed, the resources and underlying object are freed so the kernel can reuse them.

当关于某实例的所有文件描述符都关闭时，资源和下层对象都将释放，以供内核再次使用。

youdao

And you've written quite a lot about this because you think that one of the underlying arguments of the people who object to that is that family ties, strong family ties are one of the great assets of the immigrant population.

NPR: Immigration Bill Collapses, Debate Continues