double-comparison method 二次比较法
double-threshold comparison 双门限比较法
a double-blind comparison 双盲对照
the double pair comparison method 两次配对比较法
double-blind random comparison study 双盲随机对照研究
We interviewed them several times in the first few years and found rates of depression and anxiety double that of a comparison group.
在最初的几年我们多次采访了她们，并且发现她们的抑郁度和焦虑度比一个用来对比的群体高了一倍。
Women exposed to indoor smoke thus have double the risk of lung cancer in comparison with those not exposed.
因而，接触室内烟雾的妇女罹患肺癌的风险是没有接触者的两倍。
Note that although the example might appear to use double quotes, it actually USES two single quotes before and after the comparison value (" Gold ").
注意，虽然这个例子看上去使用了双引号，但实际上它是在比较值(“ Gold ”)前后使用了两个单引号。
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