onlap
基本解释
- n.上复层
英汉例句
- The changes of fold uplift and sedimentation rates lead to onlap, overlap and offlap relationship in the growth strata.
构造抬升速率和沉积速率的变化，可引起生长地层的上超、超覆和退覆。 - How to recover the original positions of removed onlap and offlap point s has still been a pending problem.
如何恢复其原始沉积时的位置，至今尚无定量方法提出。 - Stratigraphy traps can be classified into stratigraphic onlap trap and stratigraphic erosion unconformity trap.
地层圈闭可分为地层超覆不整合圈闭和地层削蚀不整合圈闭。 - The facies-varied zone and stratigraphic onlap zone of the Silurian in eastern Tazhong area are the main directions fur petroleum prospecting.
木部志留系岩性相变带、地层超覆带是石油勘探的主战场。 - Supersequence boundaries are characterized by truncation, onlap and toplap etc. on the seismic sections and sudden change of lithology and logging curve.
超层序界面在地震剖面上最明显的特征是出现削截、上超和顶超等反射终止现象，岩性、测井曲线也发生剧烈变化。