You'll also set a number of variables to keep track of the information you've gathered.

您还将设置一系列变量来跟踪所收集的信息。

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There are a number of variables that make it hard for analysts to predict much about the commodities market in 2009.

由于存在一些变数，分析人士很难就此预测2009年商品期货市场的走势。

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Next, set a number of variables that can be used inside a view-that way, you can keep your application better organized.

下面，设置可在视图内部使用的多个变量—通过这种方法，即可更好地组织应用程序。

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You have discrete random variables, like the one I just defined, or there are also--which take on only a finite number of values-- and we have continuous random variables that can take on any number of values along a continuum.

就像刚定义的,是一个离散型随机变量,随机变量还可以有无限种取值,也就是连续型随机变量,随机变量可以取某一区间的一切值

耶鲁公开课 - 金融市场课程节选

But there's also something here for do-it-yourselfers who can do their own screening, using a number of variables.

FORBES: Pick Of The Stock

Lord Strathclyde told him the costs were dependent on a number of variables, but Lord Grocott said this was an "unsatisfactory" answer.

BBC: No plan for more peers, says Lords leader

The price you pay for a ticket is driven by a number of variables: competition, types of passengers, the route and operating costs.

WSJ: Decoding Airline Ticket Costs