As you can see in Figure 1, the page consists of three primary elements.

正如图1中可以看到的，该页面包含三个主要元素。

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These are primary or unique keys, identifiers for the other data elements.

它们可以是主键或惟一键，或其他数据元素的标识符。

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There are language teaching elements in primary schools mathematics teaching.

小学数学教育中具有语言教育要素。

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There are language teaching elements in primary schools mathematics teaching.

小学数学教育中具有语言教育要素。

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