“location based service”的概念、定义、翻译、参考文献-科学参考

单词	location based service
释义	location based service Encyclopedia 工学位置服务释 location based service; LBS位置服务通过电信移动运营商的无线电通信网络（如GSM网、CDMA网），或通过外部定位方式（如GPS）获取移动终端用户的位置信息（地理坐标或大地坐标），在地理信息系统平台的支持下，为用户提供相应服务的一种增值业务。
随便看	dual fluidized bed gasifier dual form dual formula dual fraction dual frame dualfrequency induced polarization instrument dual frequency interference measurement dual frequency laser dual-frequency laser dual-frequency positioning dual-frequency sounder dual fuel combustion dual-fuel combustion dual-fuel mode dual function dual functor dual gap coupled cavity wideband output circuit dual geophone dual graded module dual graph dual graphs dual-grating spectrograph dual group dual-homed gateway dual-homed host

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