求翻译：本论文选择毕淑敏的部分小说、散文为研究对象，力求挖掘毕淑敏在乐观的背后隐藏的深深的悲观主义人生观，从其独特的幼年经历，十一年高原生活及独特从医经历这三个方面入手探讨导致毕淑敏悲观主义人生观的原因是什么意思？

Bi Shumin part of the paper selected novels, essays, as the research object, and strive to tap the Bi Shumin hidden behind the optimistic outlook of deep pessimism, its unique childhood experience, eleven years experience of high altitude living, and this unique career in medicine three-pronged appr

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The present paper chooses Bi Shumin the partial novels, the prose is the object of study, makes every effort to excavate Bi Shumin the depth pessimism outlook on life which hides in the optimistic behind, from its unique childhood experience, 11 year plateau lives and uniquely experiences these thre

Parts of this paper select bi Shumin's novels, essays for the study, seek to dig deep pessimism of bi Shumin's hidden behind the optimistic Outlook on life, from its unique childhood experience, altitude life and unique light of 11 years experience in the three-pronged cause discussion on the cause

Parts of this paper select bi Shumin's novels, essays for the study, seek to dig deep pessimism of bi Shumin's hidden behind the optimistic Outlook on life, from its unique childhood experience, altitude life and unique light of 11 years experience in the three-pronged cause discussion on the cause