来自《耶鲁大学开放课程：1600年后西方社会的流行病 第11集 第11集》

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  as you know,of boron control rods
  大家都知道应该使用硼原子反应堆控制棒
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  that are inserted to control the rate of fission
  将其插入 以控制铀和钚的裂变速率
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  --of uranium and plutonium, and to limit chain reactions.
  以限制其连锁反应
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  In this way, what Chadwick wanted to do,
  这样 我们可以推论出
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  by analogy, was to use older people like control rods
  将年长的人用作为类似控制棒
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  that would have the calming effect of preventing social meltdown
  用以平静和防止社会不安定
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  and social revolution.
  和社会革命
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  But to do that you had to do something about infectious diseases,
  但如果想这么做 要达到人口构成的转变
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  to achieve this demographic transformation of the population.
  首先应该处理的是传染病
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  So, if infectious disease was destabilizing for the state
  因此 如果传染病影响了社会稳定
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  and political order, a population subject to
  和政治秩序 遭受传染病折磨的人民
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  infectious disease moreover is unlikely to be educated
  会变得更加难以教育