We call it reduction to remove the same factors from the terms of a fraction.

从分数的分子和分母中去掉相同的因数，我们称为约分。

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Continued fraction theory is a kind of simple and efficient order-reduction means, but it can not guarantee the stability of the system.

连分式法是一种简便而行之有效的降阶法，但它不能保证系统的稳定。

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That was in contrast to the 32% who were mostly or completely focused on cost reduction, a significant fraction of the total.

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There, it will form sulphates that reflect a fraction of the incident sunlight, resulting in a net reduction in global temperatures.

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