在新加坡，每辆轿车上都装有一台在通过时自动触发过路收费亭的数字式异频雷达收发机。
In Singapore, every car is fitted with a digital transponder that triggers automatic tollbooths as it passes.
如果同卵双胞胎彼此在疾病方面比异卵双胞胎更相似，那么这种疾病的易感性至少在一定程度上是由遗传造成的。
If identical twins are more similar to each other with respect to an ailment than fraternal twins are, then vulnerability to the disease must be rooted at least in part in heredity.
研究者们相信：在异源环境中，多种多样的基因型是一项有用的生存工具。
The researchers believe that a more diverse set of genes is a useful survival tool in a heterogeneous environment.
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