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。
计算机应用 多媒体 释文 location-based service, LBS 基于位置的服务 计算机应用 多媒体 释文 location-based service, LBS 基于位置的服务 计算机应用 多媒体 释文 location-based service, LBS 基于位置的服务
- frequency domain electromagnetic method
- frequency-domain electromagnetic sounding with electrical dipole source
- frequency-domain electromagnetic sounding with magnetic dipole source
- frequency domain filtering
- frequency-domain filtering
- frequency domain ground-airborne electromagnetic instrument
- frequency domain helicopter airborne electromagnetic system
- frequency domain identification
- frequency domain induced polarization method
- frequency domain method
- frequency-domain model
- frequency domain optical coherence tomography
- frequency domain optical storage materials
- frequency domain sampling
- frequency domain signal
- frequency doubled laser
- frequency-doubled laser
- frequency doubling
- frequency doubling, frequency multiplication
- frequency doubling material
- frequency downconversion
- frequency drift
- frequency encoding
- frequency equation
- frequency error