change in thickness of strata 岩层厚度变化
true thickness of strata 岩层真厚度
thickness of target strata 目的层厚度
thickness of eroded strata 剥蚀厚度
thickness of overlying strata 上覆地层有效厚度
This paper introduces in detail the formula for calculating the true thickness of strata and the method for the programming of the calculation by use of the pocket calculator.
本文详细介绍了岩层真厚度计算公式，在袖珍计算器中进行计算程序编排的方法。
The depth section overcomes the shortage of the time section, which can be influenced by the thickness and velocity of layers jointly, and shows the thickness of strata distinctly.
深度剖面克服了时间剖面受地层厚度和地层速度共同制约的缺点，有利于识别低幅度构造。
The facts show that the Sinian-Cambrian metamorphic rocks in the area is not just a simple monoclinal stratum, bat the complex folded strata with limited thickness of each layer.
讨论推知：政和石屯附近所见的震旦-寒武纪变质岩地层不是“巨厚的单斜层”，而是单层厚度十分有限的变杂褶皱地层。
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