查询词典 geologic time

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。

ASE has built up the computer network to carry out the on-line engineering and the information management system and office system in the company, equipped with a passel of modernized facilities for geologic exploration, engineering survey, chemical and physical inspection and testing, printing and blueprinting and copying, etc.

建立了网上工程设计及信息管理系统和办公系统，配备了用于地质勘探、工程测量、化检验、文印等业务的一大批现代化设备。

The results show that advanced detection apparatus DTC-150 can detect geologic formation in front of the mine excavation 100 m away, and can more accurately detect faults, rock fissures, rock broken cinctures and water-rich situation, and the collection velocity can be used to classify the wall rock.Key words: seismic exploration; mine; advanced detection; long distance; multi-wave and multi-component

研究结果表明：采用DTC-150井下超前探测仪器能够较准确地探测到掘进面前方100 m内断层、围岩裂隙、岩石破碎带以及富水情况，据由该仪器获得的波速对围岩进行分类。

This research achievements is the result at the base of field geologic data colligating with the data of some drilling and seismic, and of the combining of sedimentology and tectonic geology researches, theory and practice researches, actual measurement of skeleton sections and observation of complemented sections, macroscopical studies and microcosmic studies. The classification and characteristics of sedimentary system and the genetic types and expression form are systematically analyzed in the thesis, and the division scheme of the Youjiang basin is put forward.

研究成果是以大量的野外地质资料为基础，综合了部分钻井和少量地震等资料，采取沉积研究和构造研究相结合、理论研究和实际研究相结合、实测基干剖面与补充观察剖面研究剖面相结合、宏观研究和微观研究相结合的方法，系统地分析了右江盆地的沉积体系种类和特征、层序界面的成因类型和表现形式，进而提出了右江盆地的层序划分方案。

Four sub-sags formed under the geologic background of the concaves alternating with convexes have become the principal hydrocarbon sources of Zhanhua oil-bearing region.

在凹凸相间的地质背景下发育而成的四个次级生烃洼陷，成为沾化油区的主要油气来源。

Block theory is an effective method to analyse stability of rock mass crisscrossed by geologic structure planes.

对于由地质构造面纵横切割的多裂隙岩石块体的稳定分析，块体理论不失为一种有效的分析手段。

Besides various interferences, the wave front diffusion, the ground absorption and the attenuation are all the causes of a weak seismic reflection and, plus the complicated superficial geologic setting and the reservoir bed features of low amplitude, low porosity and low permeability of the compacted thin detrital rock in HJQ, the conventional seismic amplitude fidelities do not meet the criteria of the seismic inversion.

除各种干扰外，地震波传播过程中的波前扩散、大地吸收、衰减等使地震反射能量变弱，加之杭锦旗地区复杂的表层地质条件和低幅、低孔、低渗致密性薄层碎屑岩的储层特点，使常规保幅地震资料离地震反演的要求还有差距，并且反演技术本身不具备噪音识别功能，包含噪音的反演必然会影响地质效果。

It is restricted by geologic setting of coal bed formation and geometric configuration of borehole to utilize multiple laterals horizontal well to develop coal bed methane resources.

1引言多分支井技术是在定向井、大位移井和水平井技术基础上，迅速发展起来的一项石油开采技术，它可以大大提高油藏的采收率，降低油藏开采综合成本，经济效益十分显著，应用前景十分广泛，是21世纪油气田开发的主体工艺技术之一。

The geologic substructure of the area of Misurata consists of rocky formations mainly limestones and marls.

地质：GEOLOGY 密苏拉达的地质基础主要是石灰石和泥灰构成的岩石。

D I think it is opportune to discuss more about geologic hazards in the park, there are many examples of rock falls, slides, such as Celestial Peach Peak, and many other examples in the park.

另外我想也可以借这个机会，在景区中讨论地质灾害，比如岩石崩塌、泥石流，比如仙桃石和其它景区中的例子。

The Master of Science degree program in Economics features a curriculum that is flexibl...

在经济学理学硕士学位的课程计划的特点是灵活而全面的方法，在理论和应用课程培训工作。

This module is used for constructing and visualizing 3D models.

该模块是用于建设和可视化的三维模型。