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secondary data collection
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secondary data collection
Encyclopedia
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二手数据收集方法
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secondary data collection
二手数据收集方法
利用二手数据进行分析的方法。二手数据指那些并非为正在进行的研究项目而是为其他目的已经收集起来的数据。
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British Design & Art Direction Awards
British Dinorwic pumped-storage power station
British disease
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British East Africa
British East Africa Protectorate
British East India Company
British Ecological Society
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British Empire and Commonwealth
British Environment Agency
British Film Institute
British General Strike of 1926
British gold standard and its diffusion
British government portal
British gum
British Higher Education Funding Council
British historical school of Marxism
British Hydromechanics Research Association
British idealism
British Imperial Order of 1899
British Imperial Order of Swaziland
British Independent Labour Party
British India/British Raj
British Industrial Revolution
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更新时间:2026/2/16 23:22:44