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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
481Diethylnitrosamine二乙基亚硝胺42733394300101508
482Diacetyl二乙酰2551561049000290
483Diacylglycerol O-Acyltransferase二乙酰甘油O-酰基转移酶00000000000
484Dicarbethoxydihydrocollidine二乙酯基二氢可力丁00000000000
485Developed Countries发达国家1217416487011131610000024400
486Dysphonia发声困难1962183000000219
487Developmental Biology发育生物学7848127704357383820009114
488Dysplastic Nevus Syndrome发育异常痣综合征1000000000010
489Developmental Disabilities发育障碍3034331982180610003490
490Developing Countries发展中国家756090514464790000012820
491Dysphoria & Smothery Sensation烦热77712672001000877
492Dysphoria烦躁53455718001020006224
493Diatrizoate Meglumine泛影葡胺1871139553310001991
494Diatrizoate泛影酸8000000000080
495Degeneracy Control (TCD)防变质1700700000024
496Defense Mechanisms防御机制18929306984151683301100121862
497Defensins防御素类5611248517252000796
498Defensive Medicine防御医学1200000000012
499Dose Fractionation放射剂量分次5432000000059
500Desulfovibrio africanus非洲脱硫弧菌00000000000
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