observationaladj.根据观察的；监视的observationn.观察；观察力；注意；评论observations on sb's work对某人工作的意见observation through grids网格观测observation of cosmic ray宇宙线的观测observation of the tongue舌诊Observation on Fixed Spot定点观察observation of earth tide固体潮观测Observation Target Factor观目系数observation of expression望神observational measurement定性测量observation or experiment观察或实验