从那时起，尽管它是太空中除太阳系外最亮的放射源，光学望远镜在数十年的时间里却不能给它准确定位。

Even then, although it is the brightest radio source in the sky outside the solar system, optical telescopes could not locate it for several years.

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除了支持Twitter列表外，新版网页客户端还支持Twitter的定位api。

In addition to supporting lists, the new version of the web client also supports Twitter's geolocation API.

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目的探讨经输血传播病毒（TTV）在肝及肝外组织的定位、分布及其意义。

Objective: To investigate the location and distribution of transfusion transmitted virus (TTV) in the liver and extrahepatic tissues.

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