在核试验基地,经常可以在建筑物和标语牌上看到十六个醒目的大字:“严肃认真,周到细致,稳妥可靠,万无一失”。老司令员张志善说,这是敬爱的周恩来总理生前对国防科学试验任务提出的严格要求,也是他亲自倡导和培育的优良作风。为此,周总理不知倾注了多少心血。张志善在他的宿舍里,戴着老花眼镜,翻着一本厚厚的《核试验基地简史资料》,深情地向我们讲述了一些难忘的往事: At the nuclear test site, sixteen striking characters can often be seen on buildings and placards: “Serious, thoughtful, meticulous, secure, and foolproof.” Zhang Zhoushan, the commander-in-chief of the army, said: This is the strict request made by his beloved Premier Zhou Enlai during his lifetime on the task of conducting scientific experiments in national defense. He is also a fine style advocated and nurtured by himself. To this end, Premier Chou did not know how much effort devoted. In his dorm room, wearing a glasses of presbyopic glasses, Zhang Zhishan turned over a thick “brief history of nuclear test bases” and affectionately told us some unforgettable memories: