, ED50 of S. pneumoniae infection: 50.4 and 101. Img/kg (p.o. ) . The results indicated that antibacterial activity in vivo of BDP was superior than that of TMP.是什么意思_, ED50 of S. pneumoniae infection: 50.4 and 101. Img/kg (p.o. ) . The results indicated that antibacterial activity in vivo of BDP was superior than that of TMP.在线翻译_英语_读音_用法_例句