"to"的搜索结果

illustrates the poor methods by which malathion was stored open to the elements

标签: illustrates,the,poor,methods,b

administering the h1n1 live attenuated intranasal vaccine laiv to a female recipient

标签: administering,the,h1n1,live,at

microbiologists in order to access the interior of the organizations biosafety level 4

标签: microbiologists,in,order,to,ac

infants and young children need to be vaccinated because the diseases prevented by vaccination

标签: infants,and,young,children,nee

immunization is one of the most important things a parent can do to protect their childrens health

标签: immunization,is,one,of,the,mos

disease prevention is the key to public health it is always better to prevent a disease than to treat it

标签: disease,prevention,is,the,key,

ham and cheese sandwich is made with attention to quantity and caloric intake

标签: ham,and,cheese,sandwich,is,mad

culex quinquefasciatus mosquito is proven to be a vector associated with transmission of the west nile virus

标签: culex,quinquefasciatus,mosquit

3d graphical representation of ultrastructure and is not specific to a seasonal avian or 2009 h1n1 virus

标签: 3d,graphical,representation,of

technician communicating to scientists inside containment laboratory using an intercom system

标签: technician,communicating,to,sc

these are mosquito fish of the genus gambusia native to the southern united states

标签: these,are,mosquito,fish,of,the

workers practicing vector control by digging a drainage ditch in order to help disperse standing water

标签: workers,practicing,vector,cont

workers in the process of using dynamite to remove tree stumps

标签: workers,in,the,process,of,usin

this gasoline powered back hoe is beginning to excavate a non draining swale in an area

标签: this,gasoline,powered,back,hoe

this drainage canal was undergoing reconstruction in order to provide a permanent waterway

标签: this,drainage,canal,was,underg