以下为句子列表：
英文: A lot of research work has been carried out in recent years, but much still has to be learned about the land lying under the ice.
中文: 近年来，进行了很多研究工作，但是关于这块冰雪覆盖的大地，仍有许多事情需要弄清楚。
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英文: Abstract: Human body modeling is an important research work in the fields of biomedicine and computer engineering.On the basis of NURBS FFD (free-form deformation),a motion modeling method is discussed to simulate the bend of human leg and corresponding d
中文: 文摘:如何建立人体各部分的数字模型是生物医学和计算机工程界较为关心的研究课题.利用基于NURBS的自由变形方法模拟膝关节弯曲和肌肉变形，并在二阶B样条基函数的基础上，依据关节的解剖结构，推导了符合膝关节运动特点和肌肉特性的计算公式.实验证明，采用适当的自由变形网格，利用推导的公式能够获得较好的膝关节弯曲和肌肉变形视觉效果.与采用曲面片插值的方法相比，该方法简单有效，可以方便地应用于人体其它关节的运动建模.
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英文: Abstract: The general magnetic fluid grinding methods and magnetic fluids used home and abroad have been reviewed. The current research work and development prospect are also exposed.
中文: 文摘:回顾了国内外常用的磁流研磨方法和采用的研磨流体，简述了磁流研磨领域的国内外研究概况及其发展前景。
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英文: Abstract: The recent progresses of the electrochemical techniques,such as direct electrolysis,indirect electrolysis and electroadsorption,for remediation of organic pollutants in water were reviewed.And the prospective research work was indicated.
中文: 文摘:介绍利用直接电解、间接电解和电化学吸附等方法去除水中有机污染物的研究现状，并指出今后的工作方向。
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英文: Abstract: This article reviews various research work of static and dynamic as well as aseismic behavior for the revolution bellows.
中文: 文摘:评述了波纹管的静力和动力特性以及储油罐连接波纹管的抗震性能等方面的研究工作。
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