“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	relativistic physics relativistic plasma relativistic precession relativistic quantum chemistry relativistic quantum electrodynamics relativistic quantum field equations relativistic quantum mechanics relativistic quantum molecular quantum mechanics relativistic self focusing relativistic self-focusing relativistic shift relativistic star relativistic statistical mechanics relativistic thermodynamics relativistic travelling wave tube relativistic velocity relativistic velocity addition formula relativistic wave equation relativistic wave equations relativistic zone relativity relativity of simultaneity relativity principle relativity shift relativity theory

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。