"field"的搜索结果

depicted what appeared to be an arboreal field of small trees

标签: depicted,what,appeared,to,be,a 浏览: 16

this irrigation pipeline running across a furrowed colorado field

标签: this,irrigation,pipeline,runni 浏览: 16

this photograph shows cdc field clinicians doing there part in preventing and controlling disease

标签: this,photograph,shows,cdc,fiel 浏览: 16

this photograph is showing a clinic outside the united states where cdc field clinicians treated

标签: this,photograph,is,showing,a,c 浏览: 17

this individual will use this cannon net when capturing large birds during arbovirus field studies

标签: this,individual,will,use,this, 浏览: 14

these were field clinicians during the world wide smallpox eradication efforts

标签: these,were,field,clinicians,du 浏览: 16

public health scientist collecting field data during a plague epidemiologic investigation

标签: public,health,scientist,collec 浏览: 16

photograph of plague laboratory buildings at a cdc san francisco ca field station

标签: photograph,of,plague,laborator 浏览: 22

angladesh field headquarters where eradication team members would exchange data collected

标签: angladesh,field,headquarters,w 浏览: 14

nigerian woman while she was standing in a field of guinea corn

标签: nigerian,woman,while,she,was,s 浏览: 13

photograph shows a trapped field mouse

标签: photograph,shows,a,trapped,fie 浏览: 16

epidemiologic field investigators photographed

标签: epidemiologic,field,investigat 浏览: 15

group of dead adult mosquitoes scattered uniformly throught the field of view during a vector control study

标签: group,of,dead,adult,mosquitoes 浏览: 16

entomologic field technicians investigating a tropical site in haiti known to be an anopheles spp mosquito

标签: entomologic,field,technicians, 浏览: 18

entomologic field technician using an aspiration suction tube in order to trap adult mosquitoes

标签: entomologic,field,technician,u 浏览: 13