South East Asia Treaty Organization
(缩略词： SEATO)
- a defence alliance which existed between 1954 and 1977 for countries of SE Asia and part of the SW Pacific, to further a US policy of containing Communism. Its members were Australia, Britain, France, New Zealand, Pakistan, the Philippines, Thailand, and the US.东南亚条约组织（为推进美国遏制共产主义的政策, 1954-1977年东南亚国家和部分西南太平洋国家形成的一个防卫联盟; 它的成员国包括澳大利亚、英国、法国、新西兰、巴基斯坦、菲律宾、泰国和美国）。