OBJECTIVE To study antibacterial activity in vitro and bone-affinity of tetracycline analogues to observe their correlation.METHODS Inhibitory zone diameter was measured by disc agar diffusion (DAD).是什么意思_OBJECTIVE To study antibacterial activity in vitro and bone-affinity of tetracycline analogues to observe their correlation.METHODS Inhibitory zone diameter was measured by disc agar diffusion (DAD).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句