兰格危斯特先生的思想与爱因斯坦的相同：核扩散是不可避免的。
Mr Langewiesche's message is the same as Einstein's: proliferation is inevitable.
大约100lb（4.5kg）这种物质和三四个技术人员就够了。 兰格危斯特先生估计，核弹专家能用更少的铀制成武器。
About 100lb (45kg) of the stuff and three or four technicians would suffice, M Langewiesche estimates—and an expert bombmaker could manage with much less.
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