This year, only a single case of polio was reported, in January, from what we know is the world's most technically challenging area for the interruption of transmission.

据我们所知本区域是从技术角度而言阻断传播最具挑战性的区域，而一月份报告的脊灰病例是今年唯一的一例脊灰病例。

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But he has a place in history as the last naturally occurring case in a continuing chain of transmission extending back at least 3,500 years.

但他作为最后一个天然发生的天花病例的历史地位在继续扩展传播链要返回到3,500多年前。

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A frequent use case is encoding a bunch of disparate values for transmission over some protocol.

一种常见的用例是对一组不同类型的值进行编码，以便通过某种协议进行传输。

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Consider a transmission case in Montana that is now ensnared in both the body politic and in the local courts: The state would host a 215-mile power line owned by Enbridge, called the Montana Alberta Tie.

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It had a four-speed transmission and fully working transfer case, so you could switch from two- to four-wheel drive.

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The Centers for Disease Control and Prevention is recommending hospitals test living donors for the virus that causes AIDS no more than seven days before their organs are removed and transplanted, following the first documented U.S. case of HIV transmission from a live organ donor in more than two decades.

WSJ: CDC Urges More HIV Tests Before Transplants