isopach strike等厚线走向
effective isopach等有效厚度图
isopach deposition等厚沉积作用
isopach interval等厚沉积间断
stratigraphic isopach地层等厚线
isopach method等厚法
isopach pattern等厚图形
crustal isopach沉积
Isopach interference等厚干涉
N（名词） a line on a map connecting points below which a particular rock stratum has the same thickness 等厚线 [geology]