从本质上说，浏览器将每个元素和属性(在许多情况下，还包括元素的组合)解释为一个指令，并根据这个指令显示某些输出或执行某一动作。

In essence, the browser interprets each element and attribute (and in many cases aggregates of elements) as an instruction to render some output or perform some action.

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演示了组件和指令的组合，它们各自有自己的钩子。

Demonstrates a combination of a component and a directive each with its own hooks.

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这些快速变化的指令输入可以是周期的、随机的以及它们的组合。

Such rapidly varying command inputs (or disturbance) may be periodic, random, or a combination thereof.

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