这是本例子第一次把关联作为一个定义表达式(换句话说，一个赋值语句)的声明性陈述来使用，而不是用它作模型到模型的映射。

This is the first time that this example is using a relation as a declarative statement to define an expression (in other words, a value assignment) instead of using it for model-to-model mapping.

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现就动脉顺应性的定义、影响因素、检测方法、临床意义作一综述。

This article presents a definition of arterial compliance, describes factors influencing arterial compliance, and the measurement and clinical significance of the artery compliance.

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Often what you'll see is not a table based on this definition, but something that's called the Pauling definition of electronegativity, but it's exactly the same idea and the same trend as this more numerical way to think about what the meaning of electronegativity is.

通常你看到的表格一般都不是基于这种定义的，而是基于,鲍林定义的电负性，但在意义上是相同的，并且满足同样的周期性规律,当和这种这种更数值化地理解电负性的定义,作对比时。

麻省理工公开课 - 化学原理课程节选