简介:中国北斗卫星导航系统作为中国独立发展、自主运行的全球卫星导航系统,是国家正在建设的重要空间信息基础设施,可广泛用于经济和社会的各个领域。为此,阐述了中国北斗卫星导航系统的发展历程及现状,并对其特点进行了介绍,最后对其应用前景进行了展望。
简介:1.NewenergyvehicleprovidesgoodopportunitiesforthedevelopmentofNiMHpowerbatteryUnderthebackgroundofdevelopinglowcarboneconomyglobally,allcountrieshighlightthedevelopmentofnewenergyandenergy-savingautosindustry.Keyautoproducingcountrieshaveformulatedseriesofpoliciestoencouragethedevelopmentoftheindustry.Productioncapacityofnewenergyandenergy-savingvehicleswillachievethescaleof1,000,000perannumby2015,accordingtoAmerican
简介:d.Rareearthexport1).REexportvolume.Exportvolumeofrareearthsincreasedyear-on-yearfrom1986to2005inChina.But,tostabilizerareearthmarketandfacilitatetheoptimizationofrareearthindustrystructure,Chinesegovernmenthadtakenseriespoliciessince2006,includingreducingexportquota,cancelingexporttariffrebate,adjustingtariffpolicies,increasingexporttax