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Since the development of the simplex method many people have contributed to the growth of linear programming by developing its mathematical theory, devising efficient computational methods and codes, exploring new applications, and by their use of linear
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由于单纯形的发展，很多人致力于线性规划的进步，通过发展它的数学理论、设计高效的计算方法和规则、探索新的应用，以及把线性规划的使用作为解决更复杂问题的辅助工具，比如，离散规划，非线性规划，组合问题，随机规划问题和最优控制问题。 |
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Since the dichromated gelatin has a higher diffraction efficiency in all holographic recording materials, the aim of this research is to use dichromated gelatin as the recording material and to make use of the principle of holography to design holographic
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为了产生优质的聚焦能力与效率，本研究采用目前具有最高绕射效率(80~90%)的重铬酸明胶材料作为感光剂，除了自行调制药剂比例成分，并依严格的制作步制成重铬酸明胶全像片外，并采用不同角度重覆曝光方式改良干涉式波带板无法自动追踪的缺点，经过多次试验与改进，藉以形成具备高绕射效率和自动追踪功能的全像光学波带板。 |
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Since the dilutions plated are replicates of each other, determine the average of the duplicate bacterial counts per ml of sample and record in the chart.
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因为稀释平板培养都是彼此的重复者，测定每毫升样品的重复细菌计数的平均数，而且登录在记录纸上。 |
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Since the disciplines of apprenticeship and the labors throughout a craftsman's life are constituted by practices, the craftsmen's labour has the significances of educations and cultures both, and meanwhile it is a right kind of labour.
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透过师徒制的训练与工匠终其一生以实作为主的劳动模式，工匠劳动同时具有敎育与文化的意义，同时，也是一种确当的劳动模式。 |
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Since the dispute is not negotiable, it may be necessary to resort to arbitration.
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由于争议无法谈判解决，只能诉诸仲裁。 |
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Since the distance from any given radar to each of these reflective surfaces (which may be as much as 50km, or 30 miles, away) is known precisely, the time it takes a beam to get there and back is a measure of how much water vapour it contains.
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知道了从特定的雷达到可反射的表面的距离，波束到那达和返回所花费的时间就确定为一个衡量包含多少水蒸汽的尺度。 |
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Since the distributor is an independent contractor, he assumes far more risks and obligations than an agent does: bad debts, advertising expenditure, warranty claims and maintenance, etc.
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由于经销商是个独立的承包人，他承担的风险和责任比代理商要大得多：坏帐、广告费、保修和维修等等。 |
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Since the ditch is full of water, it must have rained last night.
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沟渠里的水都满了，想必昨晚一定下雨了。 |
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Since the early 1990s your best bet—at least in 37 states and the District of Columbia—has been to go to the low-rent end of town and find a garishly appointed loan-shop.
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从上世纪90年代初以来，最好的办法——至少在37个州和哥伦比亚特区——一直都是去市区的廉租地段找装饰花哨的指定贷款店铺。 |
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Since the early 1990s, Intel's high-tech venture capital for the information industry has undergone considerable development.
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从九十年代初开始，英特尔对信息产业的高科技风险投资经历了长足的发展。 |
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Since the early 1990’s, information technologies have fundamentally changed and will continue to change the world in which we live, work, study and communicate.
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（参考答案）自从九十年代初以来，信息技术已经从根本上改变了并且继续改变着世界，改变着人们的居住、工作、学习和交际（方式）。 |
