以下为句子列表：
英文: 44I hope I packed everything, this trip is so spur of the moment.
中文: 我希望我装好了所有的东西，这真是趟心血来潮的旅游.
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英文: A bill approved by the Senate yesterday to spur stem cell research would go a long way toward removing restrictions that have slowed progress, burdened laboratories with red tape, reduced American competitiveness and discouraged young researchers from ent
中文: 几名顶尖的干细胞科学家称，昨天参议院通过的一项旨在激励干细胞研究的法案将对解除以前的种种研究限制大有裨益，这些限制减缓了研究进程、增加了实验室的繁文缛节、降低了美国的竞争力以及影响了年青研究员进入该领域的积极性。
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英文: Abstract: In this paper,a kind of technological scheme for one-step precision forging spur gear with large module is put forward by using positive friction role.Experiment,in which commercial pure lead is taken as test material,is done in the special die
中文: 文摘:针对大模数直齿圆柱齿轮，提出了利用积极摩擦一步成形的工艺方案，并用工业纯铅作为试验材料，在设计的专用模具上进行试验，记录了力——行程曲线，结果表明：利用积极摩擦作用能够有效地保证直齿圆柱齿轮精锻时齿腔充满，但同时增加了变形力。
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英文: Abstract: In this paper,the kinematically admissible velocity fields are established by using the metal flow patterns based on the experiments,and the configuration dimensions of billet and the curves of Load-stroke in precision forging process for spur g
中文: 文摘:本文利用有实验根据的变形流动模式建立动可容速度场，利用上限法模拟用实心坯料精锻直齿圆柱齿轮时坯料的外形尺寸变化和力—行程曲线，所得结果与实验测定值很一致，可供冲挤精锻工艺设计参考。
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英文: Abstract: This paper derives thecalculating formulas to the contact strength and oil-film thickness of the involute spur gear according to hydrodynamic lubrication principle.Through check with test,shows that they may rully replace now available Hertz for
中文: 文摘:根据流体动力润滑原理，推导出了渐开线直齿圆柱齿轮接触强度及油膜厚度的计算公式，通过实验验证，说明它们可以完全分别代替现有的赫芝公式及通森公式。
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