他们还认为,生产率的衡量忽略了如果没有对 IT 进行投资会发生的情况:生产率的增长可能更低。
They also argued that measures of productivity ignore what would have happened without investments in IT—productivity gains might have been even lower.
你需要利用这些信息作为基准来衡量进展情况。
You'll need such information to use as a baseline for measuring progress.
在许多情况下,在试图衡量国内旅游业时也会出现类似的困难。
In many cases, similar difficulties arise when attempts are made to measure domestic tourism.
It's a measure of how much Americans are saving compared to the attractiveness America as a place to invest.
它能够衡量美国储蓄率的高低,以及外国在本国的投资情况。
Covariance is a measure of how much two variables move together.
协方差衡量的是两个变量一起变动的情况
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