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.
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.
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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