利用少群扩散理论和控制棒与靶件的等效扩散处理方法进行了高浓铀-重水栅的分析计算。
An analysis of highly-enriched uranium-heavy water lattice was made recently using few-group diffusion theory and the equivalent diffusion of control rods and target assemblies.
一群人拥到外国记者身边倾诉他们的怨言，他们不明白为什么有这么多的飞机降落到机场，但是他们能得到的援助却那么少。
As a crowd gathers to air their grievances to a foreign reporter, they say they don't understand why so many planes have landed at the airport but so little aid has reached them.
文明礼貌是门艺术，使我们与之交谈的人感到轻松自在。在一群人中，谁越是少让人觉得别扭，就越发显得谁教养好。
Good manners is the art of making those people easy with whom we converse. Whoever makes the fewest persons uneasy is the best bred in the company.
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