元素索引部分列出了本规范中声明的所有元素类型。

All the element types declared in this specification are listed in the element index.

youdao

解码器必须创建一个认知空间，在该认知空间中可以通过索引来实现专门的元素和术语。

The decoder has to create a cognitive space in which the deictic elements and terms can be realized indexically.

youdao

为每个数据元素创建索引项。

An index entry is created for each data element.

youdao

By saying first element remember we start at as the initial indexing point.

我们说的第一个元素指的是,最初的开始索引点。

麻省理工公开课 - 计算机科学及编程导论课程节选

Again I should have said first, index 0, the first one. I can similarly go in and say I'd like all the things between index 2 and index 4. And again, remember what a b c that does. Index 2 says start a 0. 1, 2. So a, b, c.

我还是要说一遍，索引为0的元素，是第一个元素，我可以要求返回索引,2和4之前的所有元素，请记住2,是从0开始的,那么0，1，2对应的是。

麻省理工公开课 - 计算机科学及编程导论课程节选

And I can obviously do the other direction which is I can say skip to index 2 and all the remaining pieces. This lets me slice out, if you like, the front part or back part or a middle part of the tuple as I go along.

很明显我可以从索引2开始切片,所有剩下的元素，这可以让我2,如果你喜欢我这么说的话,取得元素的前面的或者后面的,或者中间的部分。

麻省理工公开课 - 计算机科学及编程导论课程节选