识别过程输入变量和输出变量，通过因果图、关系矩阵记录它们之间的关系。

Identify process input variables and process output variables, and document their relationships through cause and effect diagrams, relational matrices, etc.

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特殊原因引起变差是由于特定的因素，譬如环境条件或过程输入的某些参数引起过程输出结果。

Special cause variation is a shift in output caused by a specific factor such as environmental conditions or process input parameters.

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计算机无法准确地预测气候变化，除非输入计算机的数学方程充分地捕捉它们想要模拟的自然气象过程。

Computers cannot accurately predict climate change unless the mathematical equations fed into them adequately capture the natural meteorological processes they are intended to simulate.

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As I said, what we want to do is, we want to count the number of basic steps it takes to compute a computation as a function of input size.

我刚才提到了，我们要建立，一个根据输入大小的方法来计算,一个计算过程需要的时间,建立这个方法需要几步呢？

麻省理工公开课 - 计算机科学及编程导论课程节选

The format is the same. I'm going to ask for some input, and then I am going to use that procedure to check, is this the right type of value. And I'm trying to use that to do the coercion if you like. Same thing if it works, I'm going to skip that, if it not, it's going to throw the exception.

格式是一样的，我需要一些输入,然后我要用一个过程来检查,是否是正确的值,然后你就可以做强制转换了,如果能运行，那是一样的，我打算跳过这段，如果不正确，那就会抛出一个异常。

麻省理工公开课 - 计算机科学及编程导论课程节选