| 序号 | 英文主题词 | 中文主题词 | 命中文献数量（篇） |
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| 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 | | 721 | Lythrum | 千屈菜属 | 10 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 16 | | 722 | Lead | 铅 | 11730 | 228 | 597 | 998 | 41 | 72 | 44 | 21 | 0 | 50 | 13792 | | 723 | Lead Radioisotopes | 铅放射性同位素 | 18 | 0 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 28 | | 724 | Lead Compounds | 铅化合物 | 520 | 6 | 10 | 47 | 0 | 1 | 3 | 0 | 0 | 0 | 587 | | 725 | Lead Poisoning, Nervous System | 铅中毒, 神经系统 | 67 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 69 | | 726 | Lead Poisoning, Nervous System, Adult | 铅中毒, 神经系统, 成年人 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | | 727 | Lead Poisoning, Nervous System, Childhood | 铅中毒, 神经系统, 儿童 | 8 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | | 728 | Latency Period (Psychology) | 潜伏期(心理学) | 48 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54 | | 729 | Latent Tuberculosis | 潜伏性结核病 | 109 | 1 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 115 | | 730 | Latent TGF-beta Binding Proteins | 潜伏转化生长因子β结合蛋白质类 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 731 | Latent Diseases | 潜症 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 732 | Loligo | 枪乌贼 | 15 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 19 | | 733 | Lapis Chloriti | 青礞石 | 71 | 1 | 3 | 5 | 0 | 0 | 1 | 0 | 0 | 0 | 81 | | 734 | Leviviridae | 轻病毒科 | 49 | 9 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 60 | | 735 | Levivirus | 轻病毒属 | 44 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 54 | | 736 | Lung Clearing Antiasthma | 清肺平喘 | 45 | 1 | 0 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 51 | | 737 | Leptospira interrogans serovar autumnalis | 秋季问号钩端螺旋体 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 738 | Living Wills | 求死留言 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | | 739 | Leucovorin | 醛氢叶酸 | 1643 | 14 | 87 | 13 | 15 | 9 | 5 | 0 | 0 | 0 | 1786 | | 740 | Leptospira Interrogans serovar canicola | 犬问号钩端螺旋体 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
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