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A second prerequisite is that uranium 235 must be present in sufficient abundance.
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第二个必要条件是，铀235的含量必须够充足。 |
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A second problem is thermal noise, especially that caused by the laser beam itself: the laser spots hit the center of the mirrors, heating them unevenly and thereby deforming them.
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干涉仪的第二个问题是热杂讯，其中以来自雷射光本身的热最是严重；雷射光点打在镜子中心使之温度上升，加热不均匀的结果，会导致镜面变形。 |
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A second reason is practical.
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第二个原因则是基于现实的考量。 |
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A second round of funding followed in the autumn and the company floated in April 1996 with fewer than 50 employees.
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当年秋天，公司获得了第二轮投资。1996年4月公司正式成立，当时只有不到50名员工。 |
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A second round of talks planned for the middle of this month was delayed because of differences between the United States and North Korea.
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原本第二轮的多边会谈计划在本月中旬举行，但是，由于美国和朝鲜之间有着太多的分歧而推迟到明年。 |
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A second study, of patients undergoing colonoscopy, showed that listening to their selection of music reduced their anxiety levels and lessened the dosage required for sedation.
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另一项对结肠镜病人的研究显示，聆听自己选择的音乐降低了他们的焦虑程度，并减少了所需要的镇静剂量。 |
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A second su ect, 19-year-old Jihad Hamad, surrendered to police Thursday in the northwestern Lebanese coastal city of Tripoli.
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第二名嫌疑人、现年19岁的哈马德星期四在黎巴嫩北部的港口城市特里波利向警方自首。 |
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A second suspect, 19-year-old Jihad Hamad, surrendered to police Thursday in the northwestern Lebanese coastal city of Tripoli.
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第二名嫌疑人、现年19岁的哈马德星期四在黎巴嫩北部的港口城市特里波利向警方自首。 |
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A second swan flew down. Then a third and a fourth.
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又一只天鹅飞了下来，接着是第三只，第四只。 |
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A second team led by William Hammer of Augustana College in Rock Island found the 200 million-year-old plant-eater's fossils on a mountaintop 13,000 feet high near the Beardmore Glacier.
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由洛克岛奥古斯塔纳学院的威廉·哈默领导的第二小组在比尔德莫尔冰川附近1.3万英尺高的山顶发现了距今有两亿年的食草恐龙化石。 |
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A second theme of the course is methodological.
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课程的第二个主题是方法学。 |
