Gram negative bacilli resistant to cephalosporins were between 17.4 % to 55.5 %.革兰阴性杆菌对三代头孢菌素的耐药在17.4%～55. 5%之间.Results: The common pathogens in CRS were fungi ( 41.1 % ), Gram - positive cocci ( 35.6 % ) and Gram - negt...
Cold weather retards the growth of the crops.寒冷的天气妨碍作物的生长.A serologic reaction retards the growth of the pollen tube.血清反应阻止花粉管生长.Lack of sun retards plant growth.光照不足则植物生长缓慢....
Professor Dale Hess directs Goshen College's Environmental Education Collegiate Program.DaleHess教授指导Goshen学院环境教育学院的项目.Do not be surprised if, initially, she directs her anger at you...如果一上来她就冲你发火，不必惊讶。The packets ar...