羊痘病毒 ( Capripoxvirus,CPV ) 是山羊痘病和绵羊痘病的病原.Capripoxvirus ( CPV ) was the agent of goat and sheep pox disease.对109个疫点及其受威胁区的337061只绵羊,注射了山羊痘疫苗,取得了良好效果.Five to ten days after injection, sheep pox was controlled.山羊痘和绵羊痘病(Goat...
The relationships among P. arcturus, P. Krishna, P . maackii and P. syfanius were also closer.窄斑翠凤蝶(P. arcturus)、克里翠凤蝶(P. krishna) 、 绿带翠凤蝶(P. maackii) 和西番翠凤蝶(P. syfanius)的亲缘关系较近.This blue - white gem appears to the south...
It would be unfair to Debby's family to speculate on the reasons for her suicide.猜测黛比自杀的原因对她的家人来说是不公平的。ROWLAND Researchers speculate stress may be the cause of the grim statistic.罗兰德研究者推测压力可能是这一可怕统计结果的原因.It's a...
It rattles the windowpane and sends the dog scratching to get under the bed.它把窗玻璃震得格格作响,把狗吓得往床底下钻.How thin it is, and how dainty and frail; and how it rattles.你看它够多么薄, 多么精致,多么不结实; 还老那么哗楞哗楞地响.When a carriage is empty it r...