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Since getting A-bomb in Hiroshima on August 6, 1945, no countries seek the same type of A-bomb any more.
Reasons are followed.
(1)With one A-bomb of enriched uranium of type Hiroshima, A-bomb of type Nagasaki can be produced more than 10 times. (2)Type Hiroshima A-bomb is almost impossible to reduce the size which put into missile. However, the type of Hiroshima A-bomb has very simple structure. It is still worth to tell you this. |
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