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ob.

abbr. （拉）死亡（obiit）；产科学（obstetrics）

计算机科学技术

a major river of western Siberia; flows generally northward and westward to the Gulf of Ob and the Kara Sea

同义词：ObOb River

the branch of medicine dealing with childbirth and care of the mother

同义词：obstetricsOBtocologymidwifery

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