| 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 |
| 181 | Natronococcus | 钠球菌属 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 182 | Natural Childbirth | 正常分娩 | 12025 | 33 | 345 | 473 | 5 | 20 | 2 | 0 | 0 | 1 | 12904 |
| 183 | Natural Cytotoxicity Triggering Receptor 1 | 自然细胞毒性触发受体1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 184 | Natural Cytotoxicity Triggering Receptor 2 | 自然细胞毒性触发受体2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 185 | Natural Cytotoxicity Triggering Receptor 3 | 自然细胞毒性触发受体3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 186 | Natural Elements | 自然元素 | 538 | 4 | 17 | 89 | 1 | 3 | 19 | 0 | 0 | 0 | 671 |
| 187 | Natural Family Planning Methods | 安全期计划生育法 | 2859 | 14 | 48 | 719 | 177 | 35 | 47 | 0 | 0 | 0 | 3899 |
| 188 | Natural Harmony of Yin-Yang | 阴阳调和 | 1978 | 11 | 289 | 247 | 0 | 3 | 12 | 0 | 0 | 0 | 2540 |
| 189 | Natural History | 博物学 | 101 | 0 | 5 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 123 |
| 190 | Natural Killer T-Cells | 自然杀伤T细胞 | 393 | 42 | 87 | 6 | 1 | 7 | 7 | 0 | 0 | 0 | 543 |
| 191 | Natural Language Processing | 自然语言处理 | 765 | 12 | 560 | 143 | 0 | 0 | 0 | 0 | 0 | 0 | 1480 |
| 192 | Natural Medicinal Materials | 天然药材 | 65 | 1 | 3 | 25 | 0 | 1 | 1 | 0 | 0 | 0 | 96 |
| 193 | Natural Orifice Endoscopic Surgery | 自然腔道内镜手术 | 286 | 11 | 20 | 6 | 2 | 0 | 1 | 0 | 0 | 0 | 326 |
| 194 | Natural Resources Investigation | 资源调查 | 14720 | 168 | 2896 | 9611 | 323 | 279 | 10 | 0 | 0 | 9 | 28016 |
| 195 | Natural Springs | 天然泉 | 1386 | 6 | 85 | 420 | 371 | 11 | 39 | 0 | 0 | 0 | 2318 |
| 196 | Natural Therapeutic School | 自然疗派 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 197 | Nature | 自然 | 20500 | 72 | 2623 | 3089 | 958 | 75 | 93 | 3 | 0 | 3 | 27416 |
| 198 | Nature and Flavour (TCD) | 中药性味 | 13654 | 159 | 800 | 1604 | 69 | 45 | 94 | 0 | 0 | 0 | 16425 |
| 199 | Naturopathy | 自然医术 | 1225 | 2 | 122 | 290 | 20 | 3 | 1 | 0 | 0 | 0 | 1663 |
| 200 | Nauclea Officinalis | 胆木 | 80 | 2 | 7 | 3 | 0 | 0 | 13 | 0 | 0 | 0 | 105 |