Task: Translation
Input (English): After the war, Bethe argued that a crash project for the hydrogen bomb should not be attempted, though after President Truman announced the beginning of such a crash project, and the outbreak of the Korean War, he signed up and played a key role in the weapon's development.
Output (Chinese): 战后，贝特认为不应该尝试氢弹的坠毁计划，尽管在杜鲁门总统宣布启动这样的坠毁计划，以及朝鲜战争爆发后，他签署了协议，并在氢弹的研制中发挥了关键作用。