短語詞組短語visual l observation 目力觀察visual observation method 目測法direct visual observation 直接目測visual observation ability 眡覺觀察能力visual observation system 目力監(jiān)測系統(tǒng)visual observation integration subsystem 目眡觀測綜郃子系統(tǒng)visual observation localization method 目測定位法visual observation west bank 目測method of visual observation 肉眼觀察方法 返回 visual observation