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Chung Tak Secondary School
In 1971, Yang Zhenning returned to China and asked Deng Jiaxian before leaving Beijing whether there were foreigners to help with China's two bombs
Deng Jiaxian
Yang Zhenning
Xu Luxi
atomic bomb
Chung Tak Secondary School
01-04
![In 1971, Yang Zhenning returned to China and asked Deng Jiaxian before leaving Beijing whether there were foreigners to help with China's two bombs[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)