The preservation of historical buildings has enormous opportunity cost.

Noise induced hearing loss ( NIHL) is an enormous social and economic cost to the country and represents a vital unmet medical need, for which there is now a solution.

对一个国家来说，噪声导致的失聪是一种巨大的社会和经济损失，是以前未曾遇到过的医疗卫生问题，现在这个问题有了一种解决办法。

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And it has caused enormous economic cost, disastrous accidents and even seriously affected the safety and development of society. So people continually seek new anticorrosion material.

给社会带来了巨大的经济损失、重大事故，甚至严重地影响了社会的安全和发展，因此人们在不断的寻找新的防腐材料。

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Motion detecting system based on vision technology easily results in the problem of enormous computation cost. To enhance system performance, a new method is presented for the installation of vehicle tracking window by integrating radar and vision information.

针对基于视觉技术的运动检测鲁棒性差、计算量大的缺点，提出一种融合雷达与视觉信息建立车辆跟踪窗口的方法。

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How Come that Large Amount of Money Was Stolen? To make a good law, country and society must pay enormous material and immaterial cost.

制定一部良法，国家和社会需要支付巨大的有形和无形成本，也需要国家和社会的巨额成本支出。

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Applying the economic theory, the author reveals the arising source of the problem of doping, and points out: the overflowing source of doping is that athletes using doping can gain enormous return and cost very little;

运用经济学有关理论，揭示了竞技体育中兴奋剂问题产生的根源，并对有关问题进行了分析，指出：巨大的成本&收益反差，是造成兴奋剂泛滥的深刻根源；

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It is aware that corrosion has consumed enormous economic cost, brought many disastrous accidents, exhausted the precious resource and even hindered the development of society.

金属腐蚀现象十分普遍，它给社会带来了巨大的经济损失，造成了许多灾难性的事故，耗竭了宝贵的资源与能源，严重地影响了社会的发展。

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enormous The war cost an enormous sum of money.

adj.庞大的，巨大的那场战争消耗了大量的金钱。

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Due to the strict limitations and enormous time cost to build inter-satellite links, a stable network topology has great influence on the performance of a communication satellite network.

由于建立星间链路的严格限制条件和巨大的时间开销，稳定的卫星网络拓扑结构对于卫星网络的性能影响很大。

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So there's been an enormous decline in transport cost.

因此交通运输费用已大大降低。

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But it has come at enormous personal cost to me.

但是它让我付出了巨大的个人代价。

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Especially, many expressway built in early years need to have a maintenance on large scale or reconstruction one by one. We have paid out enormous economic cost and social cost for the thoroughly reconstruction of the highway.

特别是近年来早期修建的一些高速公路已相继进入大修或改建期，开膛破肚式的处理方式已经让我们付出了巨大的经济成本和社会代价。

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The Profile of Spherical Hob Form grinding of a gear

球形滚刀的齿形齿轮成形磨

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Some key technologies in designing the DMH 500 CNC non spherical lens grinding machine are introduced and the main structures are analyzed in detail.

为了解决非球面透镜加工方法周期长、成本高等问题，该文介绍了作者在DHM500超精密数控非球面透镜磨床研制中的一些关键技术，对其主要结构进行了分析。

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Spherical Precision Grinding System and Error Modeling

回转球面精密磨削系统及其误差模型

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Theoretical Analysis of Several Questions in Four-Axle Spherical Grinding

四轴球面研磨中若干问题的理论分析

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Research on CNC Grinding Complex Shaped Cutter Using Spherical Grinding Wheel

球面砂轮数控磨削复杂形状刀具的研究

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While the isothermal treating temperature raised to 850 ℃, the boride, to form BN instead, precipitates out around the spherical MnS grain as nucleus of crystallization to obtain a compound of MnS+ BN.

在850℃恒温处理时BN以MrS为结晶核心在其周围析出，呈MnS+BN复合体形态。

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During manufacturing semisolid Al-Mg based alloy by rheocasting of incline cooling and shearing, melt alloy heterogeneously nucleated on the incline-cooling plate surface and was sheared under the gravity force, and alloy microstructure gradually evolves from big net-work composed of equiaxed dendrites to small spherical grain.

倾斜式冷却剪切流变制备半固态Al Mg合金过程中，合金在冷却板表面非均匀形核，并受到重力的剪切作用，合金组织逐渐从粗大等轴晶网络演化为细小的球形晶；

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Utilizing filling structure theory of average spherical grain to calculate the bulk proportion of different granularity medium and utilizing the most dense filling theory to calculate the granularity proportion, author worked out the optimized grinding medium proportion of annular gap mill.

首先利用均一球形颗粒填充结构理论计算了介质球不同粒径的体积配比，利用最密填充理论计算了介质球的粒径大小的配比，求出了环缝磨研磨介质的优化配比。

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The results show that after process of supercritical fluid drying at 260 ℃ × 7.5 MPa × 0.5 h, ZAO powders are obtained with size less than 20 nm, high surface area and better spherical grain.

结果表明：在260℃×7.5MPa×0.5h的超临界流体条件下，得到平均粒度小于20nm，高的比表面积，近球形的ZAO粉体。

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