The minimal bactericidal concentration(MBC) of roxithromycin was 4~16 times greater than the minimal inhibitory concentration(MIC).
国产罗红霉素对于所采用实验菌株的MBC要大于MIC的4～16倍。
The bactericidal activity of levofloxacin was tested using minimal bactericidal concentration (MBC) and killing curve methods.
最低杀菌浓度（MBC）用肉汤稀释法，并用杀菌曲线方法比较两种喹诺酮药物杀菌性能。
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