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Two major difficulties inherent in this concept are the lack of any known sialic meteorites, and the high probability that the energy of impact would result in a wide dissemination of sialic material, rather than its concentration at the point of impact.
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拿月亮和火星来说，一般都从它们表面严重的陨石坑得出结论：它们在其地质进化过程中遭到过巨大的陨星的撞击。 |
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Two major factors contributed to devastating summer flooding along the Yangtze River and its tributaries . First , erosion resulting from excessive deforestation in the upper reaches of the river and , second ,heavy silting which raised the riverbed in th
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两个主要因素导致了夏季长江及其支流的特大洪水。第一，过度砍伐引起的河流上游的侵蚀，第二，严重的泥沙淤积抬高了主干道的河床。 |
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Two major glaciers in Greenland have recently begun to flow and break up more quickly under the onslaught of global warming, raising the spectre of millions drowning from rising sea levels.
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在全球暖化岌岌可危的威胁下，格陵兰两条主要冰河最近开始加速流动和融化，可能导致海平面上升以致数百万人溺毙的浩劫。 |
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Two major problems were analyzed in this paper, as how to obtain information of residential type, area and position, and what is the relation between residential type, area and position and a-mount of population.
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着力分析两个问题：①居民点类型、面积、位置的精确获取；②居民点类型、面积与人口数量间的关系。 |
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Two major studies of beta carotene supplements show no cancer preention benefit.
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两个大型β胡罗卜素补充研究表明无癌症预防益处. |
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Two major studies of beta carotene supplements show no cancer prevention benefit.
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两个大型β胡罗卜素补充研究表明无癌症预防益处. |
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Two mathematicians are in a bar.
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两个数学家在酒吧里。 |
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Two members of Chen's drug ring were also sentenced to death with a two-year reprieve, while two others received life sentences.
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陈炳锡贩毒集团中的两名毒贩同时被判处死刑，缓期两年执行，另外两人被判处无期徒刑。 |
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Two members of the Young Pioneer came and gave me a hand.
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这时来了两个少先队员帮助我。 |
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Two members of the department, Gary Krenz and Anne Clough, participate in pulmonary research.
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其中两位成员盖瑞克兰兹及安克鲁夫正参与肺脏的研究。 |
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Two members shall constitute a quorum.
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二名成员可组成法定人数。 |
