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A major cause of the disease in this area is unclean water.
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这个地区疾病的主要原因是水不清洁。 |
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A major challenge in studying the synapse is how to tell what observed effects are due to presynaptic factors and which to postsynaptic ones.
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研究突触最大的困难在于如何区辨所观察到的反应是来自突触前或突触后因子所导致。 |
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A major change for wonderkind and enfant terrible Robin van Persie.
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这是神童外加孩子气的小配的主要变化。 |
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A major change in the market disposition pattern has given rise to a fresh round of color TV price war among home TV manufacturers.
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市场格局发生了重大变化，引发了新一轮国产彩电价格大战。 |
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A major coal mining area of depleted coal, and anthracite Shoumei poverty, low sulphur (0.4%), China grey (14%), made of high heat (25MJ/KG), meet environmental requirements, is the quality of life and industrial Donglimei coal, mainly for power generatio
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矿区主要煤种有贫煤、贫瘦煤和无烟煤，低硫（0.4%）、中灰（14%）、高发热量（25MJ/KG），符合环保要求，是优质的工业动力煤和生活用煤，主要用于发电、冶炼和民用。 |
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A major component of wheat breeding programmes is to incorporate disease resistance, particularly to the various leaf and stem diseases, the races of which frequently change and genetic resistance continually breaks down.
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小麦育种项目的一个重要部分是抗病育种，特别是针对各种叶和茎病，致病菌系经常改变，致使小麦的遗传抗性不断地失效。 |
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A major concern investors have about unsecured corporate bonds, no matter how highly rated, is that the rating agencies will downgrade them because of some disruptive event affecting the issuer.
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投资者对于没有保证的公司债券的主要担心在于，不论现在的评级有多高，一旦发生对发行人产生严重影响的事件，评级机构将调低其评级。 |
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A major condom brand said it expected thousands of applicants for a new unpaid job on offer _ condom tester.
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一个主要的避孕套品牌生产商表示它期待能有数以千计的申请者参与这个无偿的避孕套测试。 |
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A major design change adds uncertainty to apathy as a reason that computer owners might postpone an upgrade.
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对电脑本来就不太关心的消费者来说，核心架构改变所增加的不确定性，可能使他们因而延缓升级。 |
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A major discovery unfolded over the past five years as it became possible for scientists to compare accurate maps of the geomagnetic field taken 20 years apart.
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过去五年里，由于科学家终于能够比对相隔20年所观测到地球磁场的准确分布，因而有了重大发现。 |
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A major divided highway designed for high-speed travel.
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高速公路为高速行进而设计的占主要的被分开的公路 |
