第四部分，以范·弗拉森的解释语用学为指引，论述语境在解释中的重要作用；以言语行为理论依据，说明了具体的解释是一种言语行为。

Part four explicates the importance of context under the direction of Van Fraaseen's pragmatics of explanation, and accounts that explaining is a speech act according to theory of speech acts.

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专著《范·弗拉森和后现代科学哲学》获2000年 浙江省第九届哲学社会科学优秀成果一等奖；

Van Fraassen and Postmodernist Philosophy of Science won First Prize of "Outstanding Works of Zhejiang Nineth Philosophical and Social Science", 2000;

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