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序号英文主题词中文主题词命中文献数量(篇)
期刊博硕士论文会议论文报纸年鉴成果专利国家标准行业标准标准总计
81Obturator Nerve闭孔神经37810605010000454
82Osteitis Deformans变形性骨炎2440143200000263
83Osteochondritis Dissecans剥脱性骨软骨炎1081113160000130
84Oleum Menthae Dementholatum薄荷油356612501310000438
85Ochrobactrum苍白杆菌属3414001000040
86Operator Regions (Genetics)操纵基因区(遗传学)133412214125176500001704
87Operon操纵子196922921129237430002538
88Oxamic Acid草氨酸811000000010
89Oxaloacetates草醋酸盐类20000000002
90Oxalic Acid草酸3077932262863112101023738
91Oxalobacteraceae草酸杆菌科1007000000017
92Oxalic Acids草酸类3080932262863112101023741
93Oxalates草酸盐类24126818017425760002872
94Oxaloacetic Acids草乙酸类20000000002
95Oxaloacetate草乙酸盐20000000002
96Oleum Camelliae茶油208515791011000319
97Obstetric Labor, Premature产科分娩, 早产6198117219300625110006877
98Obstetric Labor Complications产科分娩并发症41178229118273334866800043514
99Obstetrical Nursing产科护理118717360150001273
100Obstetric Surgical Procedures产科外科手术758783482156169328634226100680997
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