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美国中止艾滋病患的旅行限制

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发表于 1-4-2010 17:53:00 | 只看该作者 回帖奖励 |倒序浏览 |阅读模式
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VOA Chinese, Jan. 4, 2009.
http://www1.voanews.com/chinese/news/US/US-Aids-20100104-80666002.html


-------------Separately
My comment:
(a) The following is about a Alberta, Canada company called Swan Hills
Synfuels.
http://www.swanhills-synfuels.com/
(b) Coal deposits in Taiwan are small and deep underneath. I have no idea
how this technology can find and reach them. Besides, even if this
technology works, what happens to the empty space after coal is removed?
There may be landslide.

科技脉动:不必挖矿也能靠煤发电. VOA Chinese, Jan. 4, 2009.
http://www1.voanews.com/chinese/news/science-technology/HARVESTCOALENERGY-20100104-80649472.html

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