推测高度 meaning in English

dead reckoning altitude

The technology of shambhala is supposed to be highly advanced ; the palace contains special ' skylights ' made of lenses which serve as high - powered telescopes to study extraterrestrial life , and for hundreds of years shambhala ' s inhabitants have been using aircraft and cars that shuttle through a network of underground tunnels
香巴拉的科技工艺据推测高度先进；宫殿开有特殊的‘天窗’ ，用于大功率望远镜研究外星生命,而数百年来香巴拉的居民一直在使用飞行器和汽车往来穿梭于地下秘密隧道网络中。