2012新GRE作文选 厄尔尼诺现象
The recent, apparently successful prediction by mathematical models of an appearance of EI Nino- the warm ocean current that periodically develops along (5) the Pacific coast of South America-has excited researchers. Jacob Bjerknes pointed out over 20 years ago how winds might create either abnormally warm or abnormally cold water in the eastern (10) equatorial Pacific. Nonetheless, until the development of the models no one could explain why conditions should regularly shift from one to the other, as happens in the periodic oscillations (15) ... [ 查看全文 ]2012新GRE作文选 厄尔尼诺现象的相关文章
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