常見例句Slowly lower the secchi disk into the water until it disappears, and note the depth. 一個黑白相間既圓板;水平放入水底;慢慢下降;直到完全睇唔見;立即記下水深.Assessing Secchi and Photic Zone Depth in the Baltic Sea from Satellite Data 利用衛(wèi)星數(shù)據(jù)估算波羅的海的透明度和透光層深度Evaluation of Secchi Disk Transparency by Using Field Spectral Measurements in Nanhu Lake, Changchun 長春南湖水體透明度高光譜定量模型研究On the relationship between the outcome of secchi disc depth and rays on the spot 淺談地表水透明度監(jiān)測結果與現(xiàn)場光線的關系Secchi rs classification 塞齊分類法Secchi Disk Depth 透明度 返回 Secchi