There were no significant differences between one-model problem and multiple-model problem, the number of models seemed not to be a crucial factor affecting children's temporal reasoning;

单模型和多模型任务无显著差异，模型数量似乎不是影响儿童推理成绩的关键因素；

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In case of single-factor interest rate models, there is only one state variable, the default-free instantaneous interest rate.

单因子利率模型中，只设定一个状态变量，即无违约风险的瞬时利率。 瞬时利率的运动变化决定了整个利率期限结构的运动变化。

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In cases where the game-theory models say that one would be very unlikely to appear, this new factor pushes the other way, making competition more likely than before.

ECONOMIST: Preying on theory

And the recall of nearly a half-million Chevrolet Cruzes over the last several weeks may be one factor that has knocked down demand, although GM executives instead cite intra-brand competition from other models such as Malibu.

FORBES: Already? 2 Recalls Of New Escape Leave Ford With Egg On Face

But he suspects Jaguar and BMW will be selling passenger models equipped with KERS long before Formula One has made its power-boosting technology a decisive factor in winning races.

ECONOMIST: Tech.view: Boost for Formula One | The