avian造句
Proper infection dosage and routes were selected to make the chickens artificially infect
avian colibacillosis successfully.
选择适宜的攻毒剂量和攻毒途径,诱发淮南麻黄鸡大肠杆菌病.
At least one
avian disease pathogen has been found.
已经发现至少有一种禽病的病原体.
Be in
avian sensory in, most is the organ that degrades first?
在鸟类的感觉器官中, 最先退化的器官是?
China last week reported its first two cases of
avian influenza.
上周中国首次报告了两例禽流感病例.
Birds communicate by songs, and
avian vocalization is a main aspect of ornithology.
鸟类鸣声是鸟类交流的“语言”, 也是鸟类学研究的主要内容之一.