Aircraft electrical systems are used to generate, control, and distribute the electrical power throughout the aircraft. The electronic flight instrument integrated in the new generation aircraft completely rely on the electrical power system. Some of the major functions of an aircraft electrical system include controlling and operating essential aircraft systems, operating passenger services systems (such as cabin lighting and operation of in-flight entertainment systems), as well as controlling aircraft flight instrument systems. The products that come under the aircraft electrical systems are auxiliary power units, aircraft batteries, engine-driven generators, motors, power conversion, and distribution systems. Devices used to provide energy to large aircraft other than for the propulsion are known as auxiliary power units. To run the electrical systems of the aircraft, auxiliary power units generally produce 115V at 400 Hz of power. Auxiliary power units provide power through single-phase systems or three-phase systems. Aircraft batteries are the final source of backup power, but the power usage is limited due to the short life of the battery. Engine-driven generators produce power which is used to supply power to the aircraft.

关键词：飞机；电气系统；飞机电池；发电机；电动机

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关键词：新能效标准；家电；库存

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An LED is a semiconductor light source used for various applications such as general lighting, backlighting, and automotive lighting. LED lighting applications include residential, office, retail, hospitality, industrial, outdoor, architectural and others. LEDs are gaining acceptance in these applications because of their greater efficiency and low cost. Also, LEDs are able to address some key issues that the world faces today such as the energy crisis, resource scarcity, climate change, safety in and attractiveness of cities, productivity in offices, and an enhanced sense of health and wellbeing, as lighting consumes approximately 20 percent of all electricity in the world. LED lighting can save on an average up to 40 percent of energy.

关键词：LED；半导体光源；照明；背光源；汽车照明

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关键词：机械工业；形势报告会

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《反垄断法》严格禁止经营者滥用其市场支配地位排除限制竞争，禁止供应商与经销商达成协议，以固定产品的零售价格或限定最低零售价格。汽车供应商一旦被确认存在以上违法行为，可能将受到严厉处罚。

关键词：汽车；汽车分销管理办法；天然气发动机；汽车租赁业务

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关键词：金运激光；3D打印机

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关键词：家电新标；高能耗；电器

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2013年上半年，元器件板块实现营业收入1109.5亿元，同比增长21.8%；实现归属于母公司所有者净利润75.7亿元，同比增长40.8%；整个板块综合毛利率为22.0%，同比增加2.7个百分点。若剔除京东方A，则元器件板块2013年上半年营业收入同比增长16.3%；归属于母公司所有者净利润同比增长8.9%；板块整体综合毛利率同比微幅增加0.3个百分点。

关键词：元器件；半导体；光电；电子零组件

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在中国家电产业中，空调行业相对于电视、冰箱、洗衣机、小家电等都要起步晚。彩电、冰箱、洗衣机甚至还享受过计划经济是发票购买的荣耀，而空调进入国内市场时正处于计划经济与市场经济转轨时期，随进入市场就走上了
市场经济的发展道路。经过二十年的发展，中国空调产业经过了引进、模仿、自主创新逐步成为世界空调产品生产基地。

关键词：空调市场；发展概况；发展环境；市场供需；产业链；进出口；竞争力分析；厂商竞争力；投资战略

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全球小家电市场竞争激烈，但仍保持稳定的增长，主要有几个原因：第一，随着竞争的加剧，小家电产品的价格呈下降的趋势，但作为主要小家电消费市场的欧美国家逐渐出现市场高低端分化的现象，高端市场发展迅速，带动小家
电市场的增长；第二，小家电产品的不断创新带动了消费者的换购需求；第三，消费者花费更多时间在家里，因此将购买更多的小家电产品，以提高生活的舒适度。

关键词：小家电；发展概况；趋势分析；产业链；竞争分析；进出口

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