粗定位基准
roughly location criterion
定位基准块
localization reference block
重力基准定位
gravimetric datum orientation
基准年特定地位指数模式
base-age-specific site index model
天文大地基准点定位
astro-geodetic datum orientation
X线头颅侧位定位片
Cephalometric radiographs
岸基定位系统
shore-based location system
标准定位服务
standard positioning service
SPS
标准定位业务
standard positioning service {= SPS
spindle bearingstandard positioning service
spontaneous emissionstandard positioning service