The geological records fall into four main groups concerned with different kinds of crustal activity . 地质记录根据与地壳活动有关的不同类型可以分为四个主要部分。
The detection of these geological features is one of the most critical parts of a stability investigation . 检测这类地质结构面乃是稳定性研究中极为重要的一个部分。
To acquire this background, the petroleum exploration geologist must have mastered the basic principles . 石油地质勘探工作者要具备这一基本功，就必须掌握基本原理。
The geological survey finds, typically, a slow change of formation and of structure as it progresses . 一般地说，地面地质调查是一面前进，一面寻找地层和构造的缓慢变化。
Recently worldwide favourability for uranium deposition has been discussed by a panel of uranium geologists . 最近，铀矿地质工作者集会讨论了世界范围内铀成矿的有利条件。
Well logging transcends the boundaries ordinarily established between geology, geophysics, and petroleum engineering . 测井超越了通常在地质、地球物理和石油工程中划定的界线。
It acts as a geologic rasp, scratching, gouging and generally abrading the surfaces over which the glacier rides . 它就像一把地质锉刀一样通过刮、刨等作用来磨损冰川流过的表面。
Both sessile and floating types are known but most of the geologically important types were floating colonies . 固着的和浮游的两种类型都已发现，但大部分在地质上重要的类型都是浮游群体。
The sparker was originally developed for fundamental studies of underwater sound propagation and of subbottom geology . 火花发生器原来是为了进行关于水下声波传播及海底地质的基础性研究而制造的。
Matalas and reiher in a paper from the hydrological literature provide a discussion of the methods and their limitation . 马塔拉斯和赖赫在一篇论文中根据水文地质文献对这些方法和他们的局限性进行了讨论。
