致病

A nonmotile, gram - positive bacteriumthat is the most common cause of bacterial pneumonia, associated with m ingitis and other infectious diseases.

肺炎 球菌一种非游走的革兰氏阴性细菌，是细菌性肺炎最常见的致病原因，并与脑膜炎和其它传染性疾病有关

Wild waterfowl are the natural reservoir of all influenza A viruses, and these viruses are usually nonpathogenic in these birds.

野生水鸟是所有甲型流感病毒的自然储存宿主，通常这些病毒对它们不具有致病性。

Wild waterfowl are the natural reseroir of all influenza A iruses, and these iruses are usually nonpathogenic in these birds.

野生水鸟是所有甲型流感病毒的自然储存宿主，通常这些病毒对它们不具有致病性。

Many species of the Neisseria, which are respiratory commensals in humans, have been regarded as being nonpathogenic or as causing disease in only immunocompromised hosts.

由非致病性Neisseria菌所引的心内膜炎是一罕见但极为严重的感染性疾病。

The result of specificity showed that different serotypes of strains were all positive for stx2 gene,while nonpathogenic E.coli ATCC23716 was negative.

特异度的测定结果表明不同血清型的大肠埃希菌均为stx2阳性，而非致病性大肠埃希菌ATCC23716则为阴性。

The patients with allergic rhinitis are characterized by an elevated and prolonged immunoglobulin E antibody response after exposure to ubiquitous, nonpathogenic allergens.

变应性鼻炎患者在接触普通的非致病变应原后，以其体内IgE抗体的升高和延长为特征。

Any of various flagellated,usually nonpathogenic protozoa of the genus Giardia that may be parasitic in the intestines of vertebrates including human beings and most domestic animals.

贾第鞭毛虫属一种鞭毛形通常是无致病原因的原生动物属贾第虫属，可能寄生在脊椎动物体内包括人和大部分家禽

The virus isolates' pathogenicities varied from completely nonpathogenic to highly lethal and were positively correlated with tracheal virus titers.

不仅如此，其中8个病毒株通过接触能够有效感染新的野鸭并能够在其体内大量复制而不表现致病性。

Any of various flagellated,usually nonpathogenic protozoa of the genus Giardia that may be parasitic in the intestines of vertebrate s including human beings and most domestic animals.

贾第鞭毛虫属一种鞭毛形通常是无致病原因的原生动物属贾第虫属，可能寄生在脊椎动物体内包括人和大部分家禽

PCV-1 is nonpathogenic for pigs,whereas Porcine circovirus type 2(PCV-2) is considered as the major causative agent of Postweaning multisystemic wasting syndrome in domestic pigs.

PCV-1对猪无致病性，而PCV-2被认为是引起断奶仔猪多系统衰竭综合征的主要病原。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。