observationaladj.根据观察的;监视的
observationn.观察;观察力;注意;评论
observation and reflection审思
observation and prediction测报
observational .settlement沉降观测
observation and measurement观测
observation-aiming system观瞄系统
observation for deformation变形观测
observations of water stage水位观测
Observation Amphibian Plane两栖观察机
observation about sb's work
observation-comprehension观察-理解范式