dis·qui·si·tion /ˌdɪskwəˈzɪʃən/
論文,研究,探究
Dis·qui·si·tion n. A formal or systematic inquiry into, or discussion of, any subject; a full examination or investigation of a matter, with the arguments and facts bearing upon it; elaborate essay; dissertation.
For accurate research or grave disquisition he was not well qualified. --Macaulay.
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disquisition
n : an elaborate analytical or explanatory essay or discussion