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汉语拼音：fǎn bǐ

1.两个事物或一事物的两个方面，一方发生变化，另一方随之发生相反的变化，如老年人随着年龄的增长，体力反而逐渐衰弱，就是反比。

2.把一个比的前项作为后项，后项作为前项，所构成的比和原来的比互为反比。如9∶3和3∶9互为反比。

1. 两个事物或一事物的两个方面，一方发生变化，其另一方随之起相反的变化。如老年人随着年龄的增长，体力反而逐渐衰弱，就是反比。

   徐怀中 《西线轶事》：“ 杨艳 的情况不同，她在学校是全班最能死用功的一个，考试名次却往往成反比。”

2. 指反比例。

• The size of the nebula at this stage is inversely proportional to its mass.

  这个阶段星云的大小与其质量成反比。

• The amount of force needed is inversely proportional to the rigidity of the material.

  需要的力度与材料的硬度成反比.

• The availability of good medical care tends to vary inversely with the need for it.

  优质医疗服务的提供往往与需要成反比.

• The tension grew in inverse proportion to the distance from their final destination.

  拉力的大小与他们离终点的距离成反比。

• The overvoltage varies inversely with the current density to some extent.

  超电压在某种程度上随电流密度成反比地变化.

• The velocity of the fluid is inversely proportional to the spacing of the streamlines.

  流体的流速与流线的间距成反比.

• The insulation resistance of a cable is inversely proportional to its length.

  电缆的绝缘电阻与其长度成反比.

• With, the size of colloidal particles decreases at first, and then increases.

  胶体粒子尺寸先由大变小, 再由小变大.胶体中氢氧化钙相对含量与胶粒的大小成反比.

• Gravity is inversely proportional to the square of the distance.

  重力与距离的平方成反比.

• If the voltage constant, the more the resistance the less the current.

  如果电压不变, 电阻和电流成反比.

• There are opposite effects between the probability of merger and knowledge spillover.

  而企业间兼并的概率和知识溢出成反比.

• The reciprocal ratio is used for the time being.

  现今一直在使用反比.

• Ma Yun says: The man's wisdom becomes inverse ratio with appearance.

  马云说: 男人的智慧跟长相成反比.

• The probability of survival is inversely proportional to the angle of arrival.

  生存的机会跟着陆角度呈反比.

• The legibilitys of arcopy is inversely proportional tob hs importance.

  文件的可读性和它的重要性是成反比的.