结合病毒分离鉴定确诊为PRRS病毒（PRRSV）感染，RT PCR试验证实分离毒属美洲型PRRSV ，且与ATCC VR2 332株属同一基因亚型。
RT PCR test proved that the isolate belongs to serotype of American PRRSV and shares the same subgenotype with ATCC VR2332.
毒重石矿床属热水沉积成因层控矿床。
Witherite deposits belong to stratabound deposits of hot water sedimentation.
热带亚洲鱼藤属的任何一种木质藤本植物，其根产出一种属于杀虫物质的鱼藤酮；该属有几种植物当地用作鱼毒和箭毒的原料。
Any of various usually woody vines of the genus derris of tropical Asia whose roots yield the insecticide rotenone; several are sources of native fish and arrow poisons.
应用推荐