““门户开放”政策”的概念、定义、翻译、参考文献-科学参考

单词	“门户开放”政策
释义	“门户开放”政策 Encyclopedia 历史学美国历史释 Open Door“门户开放”政策最初指美国在19世纪末和20世纪初制定的要求中国对所有国家平等开放的贸易体制政策。
随便看	fourfold classification fourfold knot fourfold [symmetry] axis fourfold symmetry axis fourfold table four-force four forms four forms of law of the Song Dynasty four fractions four frame Four Freedoms four-frequency differential laser gyroscope four fundamental keys four fundamental operations four fundamental rules Four Garrisons of Anxi Protectorate Four-gate Boxing Four-gate Pagoda Four Generations Four Generations under One Roof four genres of storytelling Four Girls four gods four great Hui troupes Four Great Masters of Yuan Drama

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