Objective To understand the AIDS knowledge levels among different population and how they acquired the knowledge in certain district of Huaihua city.

目的了解怀化市某区不同人群有关艾滋病的知识知晓及知识来源情况。

youdao

The Kanshan fire power station in Xuzhou of Jiangsu chooses the district of the superficial karst in growth, the size distributes and the space of the karst have certain regulation.

江苏徐州阚山火力发电厂选址在岩溶发育比较浅层的区域，岩溶的大小和空间分布具有一定的规律性。

youdao

The susceptibility describes the complexity to occur geological disaster in a certain district and reflects physics geological phenomena.

易发性是对某一地区地质灾害发生难易程度的描述，反映物理地质现象；

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The bill would free all slaves in the district who were born after a certain time.

VOA: special.2009.03.12

For instance there are some organizers in the beautiful but obscure Sankhuwasabha district in Nepal who are certain their homeland has much to offer visitors but don't know how to make it a tourist destination.

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Johannesburg is, to put it bluntly, a dangerous city in certain neighborhoods, including the Central Business District and ill-famed Soweto, with violent muggings and carjackings the main problems.

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Thus, members of congress have voted for the production of a certain type of ammunition that is manufactured in their own district, while also voting against the production of the guns that use that caliber of ammo to demonstrate their anti-war bona fides.

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