depthon三氯羚乙基膦酸二甲酯depthn.深度；深刻；深奥；深；厚度depth distribution深度分布depth setting unit定深仪depth modification深度修正depth-span ratio高度与跨度之比,高跨比Depth-of-field景深depth first search深度优先搜索depth of ploughing翻耕深度depth of embedment埋置深度depth of the river河水的深度depth displacement高程差