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The advances in the technologies and catalytic synthesis methods for tert-butylamine were reviewed.
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摘要综述了国内外叔丁胺的生产工艺和催化合成方法的研究进展。 |
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The advances of revolving self-lock nails are convenient in operative procedure, with little invasive of operation, solid internal fixation and safety compared with the normal operative therapy.
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［方法］回顾性分析2000年3月~2004年5月手术治疗各型肱骨干骨折135例，其中常规手术组96例，包括应用加压钢板42例、单边外支架26例、形状记忆合金环抱器28例；旋入式自锁钉组39例，对手术和术后的各项指标进行比较。 |
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The advances on assembly and gas adsorption property studies of porous metal-organic frameworks are reviewed and the magnetic and chiral porous metal-organic frameworks are introduced.
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对多孔金属有机框架的组装及其对气体的吸附性能的研究进展进行了评述，并对磁性和手性多孔金属有机框架进行了介绍。 |
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The advancing of “Five Elements of Library Science” by Liu Guojun was a process.
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简要介绍刘国钧先生“图书馆学五要素”的提出过程。 |
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The advantage American consumes approximately 46 slices of pizza a year.
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一个美国人平均一年约吃46块馅饼。 |
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The advantage and disadvantage of the method of azimuth pre-filtering and undersampling and the method of subaperture processing are compared.
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比较了方位向预滤波降采样方法与子孔径处理方法各自的优缺点。 |
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The advantage is that partners can bring together ideas, talents, and money.
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好处是合伙人可以集思广益，聚集人才和资金。 |
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The advantage is that we work without any risk of breaking taps on particularly expensive work pieces and it saves also a lot of time by simplifying tapping operations.
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这种夹头的优势：在钻孔和攻丝的转换的时候，只要更换转换接头就可以了，不需要再做其他的调整，带有扭力保护的转换接头可以避免丝锥的断裂，同时还可以节省很多的时间。 |
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The advantage of a sharper filter is that you will have less noise in the audio signal.
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较尖锐特性滤波器的好处是音频（输出）信号有较少的噪声。 |
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The advantage of barbecuing meat on a volcanic rock grill is that the heat permeates the stone evenly, creating a mouthwatering golden color and keeping it succulent without the risk of drying out.
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火山岩石烧食物时因石板受热均匀，其热度会在食材表面形成诱人的金黄色，但食物内部的水分却不会因过热而丧失，从而保持食材的柔软度。 |
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The advantage of cement crafts is low cost but is very environment-friendly.
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水泥工艺品最具优势的特点是其价格低廉,而且十分环保. |
