Unfortunately, the responsible pathogens were still unknown.
不幸的是, 引起疾病的病原仍不明了.
Nonexposure of susceptible plant populations to their pathogens is fairly common.
感病的植物群体不暴露在它们的病原之下,这是相当普遍的.
In such situations specific laboratory tests are necessary to establish the etiology.
在此情况下,需要特异性实验来确定病原.
Other agents can cause similar syndromes.
其它病原也可引起相似的综合症.
Compost is not necessarily pathogen - free.
堆肥并不一定需要无病原微生物.
By use of the agglutination test healthy carriers of the organisms have been identified.
通过凝集实验的应用,已经证实了病原微生物的健康带菌者.
Fungal pathogens are important natural biological control agents of aphids.
病原真菌是蚜虫的重要自然控制因子.
Objective To study viral pathogens of the viral meningitis in children.
目的分析小儿病毒性脑膜炎部分病原学情况.
Hepatitis C virus ( HCV ) is the main pathogeny after blood transfusion.
丙型肝炎病毒 ( HCV ) 是输血后肝炎的主要病原.
To research the pathogenic microorganism characters of chronic pharyngitis.
目的:研究慢性咽炎的病原学问题.
Methods: The antimicrobial drugs were selected and used by determining pathogen.
方法: 通过对病原的检测与估计、抗菌药物的选择与应用的阐述.
Infectious bursal disease virus ( IBDV ) is an important pathogenic agent of chicken.
传染性法氏囊 病毒是鸡的一种重要的病原.
Conclusion IHS has multiple complications and the prognosis is good.
结论IHS合并症多种多样,预后情况悬殊,但大多良好.CMV和 HBV是 IHS的主要病原.
Capripoxvirus ( CPV ) was the agent of goat and sheep pox disease.
羊痘病毒 ( Capripoxvirus,CPV ) 是山羊痘病和绵羊痘病的病原.
Fungal keratitis is one of severe suppurative corneal infection.
真菌是引起角膜化脓性感染的主要病原之一.