以下为句子列表：
英文: From 1997 to 2004, for example, the price tag for the nickel metal hydride batteries used in hybrids dropped by half, as did their weight.
中文: 举例来说，从1997~2004年，混合车使用的镍氢电池价格降低了一半，重量也减轻一半。
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英文: In January, GM and Sandia National Laboratories launched a four-year, $10-million program to develop metal hydride storage systems based on sodium aluminum hydride.
中文: 通用汽车公司与美国山迪亚国家实验室，于今年1月启动一项耗资千万美元的四年期计画，开发以钠铝氢化物为主体的金属氢化物贮存系统。
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英文: The formulae for calculating coefficients of performance (COP) of metal hydride heat pumps (MHHP) for temperature upgrading are proposed after considering practical factors such as heat transfer of metal hydride bed and sensible heat exchange, which provi
中文: 摘要考虑到金属氢化物床的传热和换热器间显热回收等实际因素，提出了升温型金属氢化物热泵性能系数计算公式，为合理选择金属氢化物对，以及调整热泵的各种工艺参数提供了理论依据。
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英文: The simulation results show that the effective measures to improve COP of MHHP include enhancing heat transfer in metal hydride bed, adopting metal hydrides with a sufficiently flat plateau, reducing reactor heat capacities and its mass, and a highly effi
中文: 结果表明：强化金属氢化物床的传热、采用平台倾斜度小的金属氢化物、减小反应器材料的比热和质量，以及换热器间高效率的显热回收，是提高热泵性能系数的有效措施。
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英文: We cover a wide range of broadcasting products including the semiconductor camera light, Lithium Ion camera battery, Nickel Metal Hydride camera battery, intelligent battery charger, camera accessories, TFT LCD color monitor, HD-SDI interface, etc.
中文: 公司目前产品包括新闻采访用半导体光源灯具、摄像机锂离子电池和镍氢电池、充电器、电源适配器、TFT彩色高清晰液晶监视器、HD-SDI高清数字串行接口等。
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