有任何非典型痣和没有的人相比所得出的相应比值为4.0。
The corresponding ratio for any atypical nevi compared to none was 4.0.
当两个变量的比值互相影响时，如有了一个确定的速度，它可被理解为当分母在其区间内变化时分子也相应地变化。
When the ratio of two changes is involved, as it is in determining a velocity, it is understood that the change in the numerator "takes place during" the interval of the denominator.
其次，分析了弹簧吊装系统的跌落冲击响应特性，得到产品的最大位移、最大加速度、冲击持续时间分别与基准系统相应值的比值；
Secondly, shock response property is analyzed, the ratios of item' s most displacement, most acceleration and shock duration to benchmark system are obtained.
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