They, like humans, are believed to be infected directly from the natural reservoir or through a chain of transmission from the natural reservoir.
据信，它们像人类一样，是受到自然宿主或通过来自自然宿主的传播链受到直接感染。
Permanent sensor will realize the function of data acquisition, process and transmission, realize monitoring oil-gas reservoir real-time dynamically under network condition with Internet technology.
利用互联网技术的永久探测器可实现在网络命令下的数据采集、处理、传输功能，能够实现对油气藏动态、实时监测。
The concrete water transmission pipes within Huangpo reservoir have been aged with severe seepage.
黄坡水库坝内输水管老化和渗漏严重。
In accordance with the invention, the lower transmission component (20) has an upper collar (30) which forms a reservoir (31) around the spindle (21).
根据本发明，所述下传动件(20)具有上颈环(30)，该上颈环(30)形成围绕所述轴(21)的储器(31)。
Although the environment serves as a reservoir for a variety of microorganisms, it is rarely implicated in disease transmission except in the immunocompromised population.
尽管环境是多种微生物的贮藏之所，但是，除非是免疫缺陷人群，它极少引起疾病传播。
And the Three Gorges reservoir area of the transmission line, from Wanzhou Three Gorges migrants Square, the plaza to the end of Xinlian Xin, a total length of 42 km.
而三峡库区的传递路线，是从万州三峡移民广场开始，到心连心广场结束，全长42公里。
West Nile virus (WNV) infection is an endemic disease caused by WNV that is maintained in a natural transmission cycle involving mosquito vectors and bird reservoir hosts.
西尼罗病毒(WNV)感染是一种经蚊虫传播，以鸟类为主要动物宿主的自然疫源性疾病。
This article will review the epidemiological progress of he, such as character of distribution, reservoir of infection, route of transmission, population susceptibility and rel...
本文对戊型肝炎的流行特征、传染源、传播途径、人群易感性的研究进展和存在的问题进行综述。
The Shaan-Gan-Ning basin's NG fields, Shaanxi-Beijing NG transmission pipeline project, underground storage reservoir, downstream project and environmental benefits of the projects are reported.
介绍陕甘宁盆地气田、陕京输气管线工程、地下储气库、下游工程和环境效益。
The Shaan-Gan-Ning basin's NG fields, Shaanxi-Beijing NG transmission pipeline project, underground storage reservoir, downstream project and environmental benefits of the projects are reported.
介绍陕甘宁盆地气田、陕京输气管线工程、地下储气库、下游工程和环境效益。
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