These rules describe, for example, which elements are valid, the order of elements within a document, the data types of attributes, whether an element is required or optional, and so on.

这些规则定义哪些元素是有效的、文档中元素的次序、属性的数据类型、一个元素是必需的还是可选的等等。

youdao

This was done to avoid a situation where a schema processor would need to somehow guess the types of the attributes in order to determine the type of the element.

这样做是为了避免模式处理程序为判断元素类型而猜测属性类型的情况。

youdao

The aim is to restore law and order, a key element of the internationally-backed "roadmap" peace plan.

巴勒斯坦部署警察的目的是为了恢复法律秩序，这是国际社会支持的“中东和平路线图”计划中的一个关键因素。

youdao

It poses other kinds of difficulty, let's say; but in the case of fiction, in order to be engaged, in order to enter the hermeneutic circle properly, we need the element of surprise, as I say, as a way of distinguishing between fiction and nonfiction.

它的确带来了其它困难，我们可以这样说;,但是在读文学时，为了投入进去，为了合适地进入解释循环，我们需要“惊讶“这个元素，正如我所说，作为区分文学和非文学的一点。

耶鲁公开课 - 文学理论导论课程节选

"They're new to the team and could bring a fearless element to the top of the order, " said paceman Anderson.

BBC: Anderson backs 'fearless' openers Kieswetter and Lumb

The artists at Legend3D began by studying every shot in the film and mapping out each element on screen in order to create a realistic sense of depth.

ENGADGET: Top Gun Blu-ray 3D details revealed, comes home February 19th after IMAX 3D run

Mr. DIAMOND: That's true, and we have many different type of wars, and one of them is an insurgency against the new political order with a heavy terrorist element that aims to strike at Europe and the United States.

NPR: Is Victory in Iraq Still Possible?