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  1. controlled experiment


    • ph.
  2. 知識+

    • 徵求英文翻譯高手

      ...and their colleagues began carrying out a classic controlled experiment. 在20世紀60年代時,植物學家法蘭克H.Bormann,森林生態專家...

    • 關係代名詞的文法結構

      ...experiments中,他們運用natural controls 原來的句子是they utilize natural controls in natural experiments 而 , through which they have been able to achieve impressive results...

    • (急)各位大大~~幫我看一下我的論文摘要翻譯~~

      ...實驗研究, (1) This research was done by conducting two experiments in the precisely controlled environment laboratory. (1) This research was done by conducting...