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抗生素是指由细菌、真菌或其他微生物在生活过程中所产生的具有抗菌或其他活性的一类物质,是抗菌药中的一大类药物。抗生素的抗菌范围或种类,就是抗菌谱。抗菌范围小的称
Antibiotics refers to a group of substances with antibacterial activity or other activities produced by bacteria, fungi or other microorganisms during the course of their life and is a major class of drugs in antibacterial drugs. Antibiotic antibacterial range or type, that is antimicrobial spectrum. Antibacterial range of small said