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。
For the same kind of coal, the effect of temperature on NO_x reduction gets more pronounced with increasing reburning fuel fraction.
对于同一煤种，再燃还原NO的效果受温度的影响随再燃料比增加而增大。
For the same kind of coal, with the increase of reburning fuel fraction, temperature had more obvious effect on NO reduction.
对于同一煤种，再燃还原NO效率受温度的影响随再燃燃料比增加而增大。
From the results of heat transfer model, generally used critical solid fraction and limit solid fraction, the soft reduction zone was obtained.
结合传热模型计算的温度分布和普遍使用的临界固相率、极限固相率，得出了轻压下的压下区域。
The reduction of the particle size and the increase of the fraction volume are h...
颗粒尺寸减小和体积分数增加都有助于提高复合材料的强度。
PM and smoke are reduced with the increase of oxygen fraction in the blends. Smoke reduction is more effective than PM.
氧含量越多烟度降低的效果越明显，而PM的降低幅度小于烟度，这是由于可溶性有机物的排放特点造成的。
With the increase of reduction ratio, the volume fraction of dynamic recrystallization increases.
随着压下率的增加，动态再结晶体积分数升高；
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。
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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