地层的

Biostratigraphy is one of the basic and widely applied branches in stratigraphy.

生物地层学是地层学中最基本的也是应用最广泛的一个分支学科。

A relationship among sequence, base level cycles and the overriding style of reservoir sand is established through an analysis of the change of base level during the formation of seismic sequence.

通过基准面在层序地层发育过程中的变化分析，建立了层序地层、基准面旋回和储层砂体叠加方式的对应关系。

Thermal demagnetizer and cryogenic magnetometer were used to systematically measure the magnetic remanence from room temperature up to 500 or 600℃ with 50℃ step in order to dertimime magnetostratigraphy of the five sections.

用超导磁力仪对所有剖面作了系统的磁性地层研究，获得了各剖面的磁性地层年代和磁化率古气候记录。

Dinosaurian egg is a kind of peculiar and precious fossil in the Late Cretaceous strata, which are well－developed and widely distributed in nearly 30 basins of varied sizes and shapes in Jiangxi.

恐龙蛋是晚白垩世地层中一类特殊而又珍贵的化石。江西晚白垩世地层分布广泛，发育良好，散见于大小不一、形态各异的近30个盆地中。

Formation is the most direct research object of drilling engineering.

地层是钻井工程最直接的研究对象，地层是影响钻速的最重要因素。

The key structures of underground powerhouse of Baise multipurpose dam project is accommodated in the diabase stratum, of which most sections of the headrace tunnel, delivery tunnel and other caverns most are accommodated in unfavorable stratum composed of mudstone, silicalite and carbonaceous silicalite.

百色水利枢纽工程地下厂房主体布置在辉绿岩地层当中，其中的引水系统、交通洞等洞室大部分洞段布置在由泥岩、硅质岩和含碳硅质岩等组成的不良地层下。

The stratigraphical analyses have shown that Listracanthus appeared together with Petrodus in the same strata could be an index fossil for Upper Carboniferous.

生物地层学分析表明，这2个器官属的共生出现，可以作为判断晚石炭世地层时代的一个依据。

Related to a wireline log of formation resistivity based on the principle of inducing alternating current loops in the formation and measuring the resultant signal in a receiver.

基于在地层中的感应交变电流环而测量接收器所接收信号的一种电缆式地层电导率测井，感应和这种测井有关。

And 0.85, suggesting a small change of water property and a possible origin from mixing of fresh water with sea water after evaporation and inspissation.

受断裂作用影响，地层水矿化度在平面上具有明显的分区性；受区域不整合影响，纵向上地层水离子浓度和矿化度存在明显的分带性。

Gravel strata is a kind of typical instable layer in drilling engineering.

卵砾石地层是钻探工程中常见的一种典型的不稳定地层。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失