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大伙新年好。来,咱们也来测试一把是不是投机的料 |
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theoretical [博客] [个人文集]
头衔: 海归上校 声望: 院士 性别: 加入时间: 2006/10/13 文章: 5521
海归分: 69567
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作者:theoretical 在 谈股论金 发贴, 来自【海归网】 http://www.haiguinet.com
Three hundred and fifty or so right whales (out of the remaining population of some 500, down from at least hundreds of thousands), have always shown up in late summer for several weeks of feeding in the Bay of Fundy. This year, for the first time in the 30 years of the study, they were “no shows.” Calling up and down the coast, they were able to locate only 100 of them (all known by sight as individuals; none of which stayed more than a day or two anywhere). It is hoped that their food supply had simply moved to another location. The cause for this is unknown and may take years to be very confident of, but the most likely candidate is that extra cold fresh water run-off from melting ice, mainly Greenland, had shifted currents or interfered in other ways with the location of their food.
看了以上报道,你看看你能联想些什么,会去做哪些调查,然后决定如何投机。
作者:theoretical 在 谈股论金 发贴, 来自【海归网】 http://www.haiguinet.com
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- 大伙新年好。来,咱们也来测试一把是不是投机的料 -- theoretical - (837 Byte) 2011-2-03 周四, 12:35 (2197 reads)
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