From professional translators, enterprises, web pages and freely available translation repositories.
加拿大积极支持这一人道主义方案，目前正在开发下一代搜救卫星系统的中地轨道搜索和救援卫星系统，将合成孔径雷达有效荷载搭载在在中地轨道运行的导航卫星上，其中包括全球定位系统、全球导航卫星系统（格洛纳斯系统）和伽利略星座。
canada actively supported this humanitarian programme and is now developing the next generation of the cospas-sarsat medium-earth orbit search and rescue satellite system, which will have sar payloads on navigation satellites operating in medium-earth orbit, including global positioning system (gps), global navigation satellite system (glonass) and galileo constellations.