他们发现了一些例如公司盈利增长的传统度量变量，以及其他技术含量更高的因素。

They identified a number of variables—traditional measurements like earningsgrowth as well as more technical factors.

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价值指数用以度量某些变量的价值总量变化。

A value index measures general changes in the total value of some variable.

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These are called population measures because they refer to the whole population of possible outcomes and they measure the probabilities.

这些是用来度量总体的变量,因为他们对应的是总体中所有的结果,度量的是所有事件的概率

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