Then, the environmentalmap is built according to robot poses and its observations.
然后，机器人利用自身位姿及对目标的观测来构建环境地图。
2
Data for the map were obtained from U. S. Geological Survey (USGS) and Environmental System Research Institute (ESRI).
地图数据源自美国地质调查局及环境系统研究所。
3
A new map of 151 countries has revealed exactly which parts of the globe deliver long and happy lives for their citizens, within the environmental limits of the planet.