That position number is needed in case the node has siblings of the same type and name, to indicate which one we're referring to.

位置号是必需的，以防节点有相同类型和名称的兄弟节点，这样可以表明我们引用的是哪个节点。

youdao

But named parameter provides the flexibility to set the parameters by name, instead of by ordinal position.

但是，命名参数则提供了更大的灵活性，它允许根据名称而不是顺序位置来设置参数。

youdao

CSS enables the application of rules based not only on an element's name, but also on its position within the overall document.

CSS不但允许根据元素名应用规则，还允许根据元素在整个文档中的位置应用规则。

youdao

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ENGADGET: Want to write for Engadget?

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Williamson thereby equally insults the identical position of Steve Forbes, a name he, perhaps disingenuously, claims to have long admired, and insults all of us who reject tax hikes as, at best, counterproductive.

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