“geographical exploration in Africa”的概念、定义、翻译、参考文献-科学参考

单词	geographical exploration in Africa
释义	geographical exploration in Africa Encyclopedia 历史学〔总论〕释 geographical exploration in Africa非洲地理考察近代欧美国家政府或企业主持或资助的对非洲大陆的探察活动。始于18世纪下半叶，基本结束于19世纪末。主要代表为J.H.斯皮克、M.帕克、D.利文斯敦、H.M.斯坦利等。考察活动扩大和加深了对热带非洲的了解，但也为列强瓜分非洲开辟了道路。
随便看	reduction-oxidation reaction reduction parameter reduction period of electric furnace steelmaking reduction potential reduction principle reduction principle for the computably enumerable sets reduction process reduction ratio reduction reaction reduction smelting reduction strategy reduction system reduction techniques of powders reduction theorem reduction theory reduction theory [of von Neumann algebra] reduction theory of von Neumann algebra reduction to absurdity reduction to a common denominator reduction to a horizontal plane of magnetic anomaly reduction to arithmetic reduction to canonical form reduction to centering reduction to sea-level reduction to the diagonal

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