Today nuclear families make up barely one in five households in the United States, census statistics show.

今天，人口调查表明，所谓标准的基本家庭只占美国家庭的五分之一了。

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The study is based largely on Cold War-era statistics, but the findings are highly relevant for how gender could be effected after future nuclear disasters.

该研究主要基于冷战时期的数据，但是有关未来核灾难将对婴儿性别产生的影响的研究发现和现有很大关系。

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The principle of simulation of the statistics counting of radioactive nuclear decay based on the rejection method is presented, and the simulation is implemented with TC programming.

本文从原理上分析了采用舍选法进行随机抽样，得到符合放射性衰变统计规律的模拟计数值，并用TC进行了编程实现；

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