O 開頭單詞
observational data 觀測資料，觀測數(shù)據(jù)
observational cosmology [天文學(xué)]觀測宇宙學(xué)
observational check 外觀檢查
observational approach of marketing research [交通運輸工程]市場研究觀察法
observational adj.根據(jù)觀察的；監(jiān)視的
observation-well response [能源科學(xué)技術(shù)]觀測井壓力反應(yīng)
observation window n. [建] 觀察窗；管制室
observation wheel 觀景摩天輪
observation well of groundwater [水利工程]地下水觀測井
observation well 觀察井；觀測孔
observation ward 觀察室
observation tower 觀景塔；觀測塔；了望塔。
observation system [天] 觀測系統(tǒng)
observation station 觀測站；測站；觀察位置
observation post 觀測所；[軍] 觀察哨
observation port 看火孔；觀察孔
observation point [軍] 觀察點
observation period 觀察期間，觀測時期
observation of ground water regimen [土木建筑工程]地下水動態(tài)觀測