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A dynamical model of H2 fuel cell stack with water balance is developed in this paper for studying steady and dynamical performances of proton exchange membrane (PEM) fuel cell stacks.
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摘要提出和建立了包含水平衡的氢燃料电池堆的动态模型，用于研究质子交换膜(PEM)燃料电池堆的静、动态性能。 |
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A dynamics model for complete vehicle is set up in natural coordinates, and a simulation on speed changing and steering of a 4WD electric vehicle with motor-in-wheel drive is conducted.
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摘要采用自然坐标系下的整车动力学模型，模拟变速或转向过程中可能存在的变化情况，进行了四电动轮独立驱动的电动汽车仿真。 |
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A dynamics model for that engine mount is set up and a simulation on its dynamic characteristics is conducted using ADAMS software with corresponding tests performed.
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通过试验测试了电流变液力悬置的动态特性，并将仿真结果与试验结果进行了比较分析。 |
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A dyslexic who hopes to help other dyslexics someday, she immediately volunteered to tutor learning-disabled persons through the local society for the deaf.
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身为诵读困难者的露丝向来希望有朝一日能够协助其他患者，便立即自愿透过当地的失聪协会，一对一指导有学习障碍的人。 |
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A dystopia is usually characterized by an authoritarian or totalitarian form of government, or some other kind of oppressive social control.
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反乌托邦通常具有以下特点，独裁主义者或极权主译者的政府形式，或者一些其他压迫性的社会控制。 |
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A e client's re iratory character, o erving symmetry and degree of chest wall abdominal movement.
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评估病人呼吸特征，观察胸壁腹部移动对称性及程度。 |
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A ecific format is used in journalizing （recording） tra actio in a General Journal.
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一个特别的形式被使用在总长中的记录日志中（日记帐）。 |
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A electric resistance furnace, improves the thermal efficiency of the melting process.
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这种电阻式熔炉提高了熔化过程中的热效率。 |
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A ery rare form of lupus called neonatal lupus affects newborn babies of some women who hae lupus.
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新生儿狼疮是一种非常罕见的狼疮，见于一些患有狼疮的妇女的新生婴儿。 |
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A estimated site viewing time is 29 seconds.
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一估计的地点观看时间是29次品. |
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A ew Year greeting to cheer you, my good friend.
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希望新年祝福给你带来欢乐，我的好朋友。 |
