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...
It also mentions the cooperations between Israel and China in these areas.文章还介绍了以色列同中国方面的合作情况.REDCOLLAR advocates a win - win principle for all cooperations.红领倡导所有的合作基于共赢的原则.There are some cooperations between wild creat...
Billy leaned forward and brushed a speck of dust off his shoes.比利俯身擦掉了鞋子上的一丝灰尘。I've got a speck of dirt on my shirt.我的衬衫上有一点污垢.Not a speck of cloud is to be seen.看不到一星星云丝....