搜索结果: 1-1 共查到“原子核物理学 Southern Hemisphere”相关记录1条 . 查询时间(0.078 秒)
Africa Renounces Nukes--Treaty's Entry Into Force Makes Entire Southern Hemisphere Free of Nuclear Weapons
Africa Southern Hemisphere Nuclear Weapons
2009/8/17
A Treaty making Africa into a zone free of nuclear weapons entered into force on 15 July 2009, in turn expanding the nuclear-weapon free territories to cover the entire Southern hemisphere. The Treaty...