fā zhǎn hé wǔ qì
to develop nuclear weapons
bù kuò sàn hé wǔ qì tiáo yuē
Nuclear Non-Proliferation Treaty
rè hé wǔ qì
fusion weapon
thermonuclear weapon
hé wǔ qì cái liào
nuclear weapon material
weapon's grade material
fēi hé wǔ qì guó jiā
non-nuclear weapon states (NNWS)
Běi jīng hé wǔ qì yán jiū suǒ
Nuclear Weapon Institute in Beijing
Bù Kuò sàn Hé wǔ qì Tiáo yuē
Treaty on the Non-Proliferation of Nuclear Weapons
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