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...
In his latter years religious mania clouded his mind.晚年的时候，对宗教的狂热让他丧失心智。He had a mania for fast cars.他是个飞车狂。A letter headed'Advertising Mania'appeared in the paper.报纸上出现了一封题为 “ 广告热”的信....
This compass serves as a protractor.这个罗盘可用作分度规.To draw to scale by means of a scale and protractor; plot.测绘用圆规和量角器划线和角; 标绘.I can't find my protractor.我找不到我的半圆仪了....
The bifurcated pipe of the TGP lock emptying culvert is a reinforced concrete framed structure.三峡永久船闸泄水分岔管是钢筋混凝土框架式结构.They ran for the culvert and ducked in.他们跑到涵洞跟前,钻了过去.Cracks are easily occurred during construct the r...