O - antigen in an important component of outer membrane of Gram - negative bacteria.抗原是革兰阴性菌外膜的重要组分.Results In those pathogen there 52 % is Gram - positive bacteria, there 48 % is Gram - negative bacteria.结果致病菌中革兰氏阳性菌占52...

gram-negative的音标：gram-negative的英式发音音标为：[ɡræm 'neɡətiv]gram-negative的美式发音音标为：[ɡræm 'nɛɡətɪv]...

革兰氏阴性的...