"study"的搜索结果

man setting traps for rats during a plague study

标签: man,setting,traps,for,rats,dur

laboratorian is identifying fleas as one step in the collection of plague study data

标签: laboratorian,is,identifying,fl

clinician obtaining a human blood sample from a child during an arbovirus study

标签: clinician,obtaining,a,human,bl

clinician is discharging blood collected from a small vertebrate during a 1974 arbovirus study

标签: clinician,is,discharging,blood

birds tail is being temporarily marked with red paint for short term spotting during arbovirus field study

标签: birds,tail,is,being,temporaril

an individual setting up a steel trap during an arboviral field study

标签: an,individual,setting,up,a,ste

local pakistani man is having his blood tested during a 1977 malathion poison study

标签: local,pakistani,man,is,having,

this bird was captured within a net and will later be tested in an arbovirus study

标签: this,bird,was,captured,within,

rabbit was caught in a national trap and was later tested during an arbovirus study

标签: rabbit,was,caught,in,a,nationa

men conducting a plague study in the san francisco area by capturing vector carrying rodents

标签: men,conducting,a,plague,study,

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

标签: group,of,dead,adult,mosquitoes

these students in bong county liberia study by candlelight

标签: these,students,in,bong,county,

boys using new books to study

标签: boys,using,new,books,to,study

study tour exposes a spa owner to different styles to manage her company

标签: study,tour,exposes,a,spa,owner

Cozy Study Room

标签: Student Study From Home,Study