Test-Ban Treaty
- an international agreement not to test nuclear weapons in the atmosphere, in space, or under water, signed in 1963 by the US, the UK, and the USSR, and later by more than 100 governments禁止核试验条约(1963年订立的国际公约, 禁止在大气层、太空或水下进行核武器试验, 最早由美国、英国、前苏联签订, 后扩大到100多个国家)。