查询词典 geologic time

Geologic tectonic of Qinghai-Tibet Plateau is complex, and strong earthquakes occured time after time in Qinghai-Tibet Plateau. Northeast margin of Qinghai-Tibet Plateau is the region in which tectonic movement is intense, is a window that knows apophysis of Qinghai-Tibet Plateau and block mutual effect, and is of important value in reaserch on tectonic movement and strong earthquake prediction in Chinese mainland.

青藏高原地质构造复杂，是我国的强震多发区，而东北缘地区更是构造活动强烈的地区之一，该区是了解高原的隆起及块体相互作用的窗口，在中国大陆构造运动及强震预测研究中具有重要价值。

Firstly, the geologic structure of the whole gas field was analyzed. On the basis, the abuse of existing reservoir prediction technology was probed. Then, a geophysical evaluation system aiming at coombe and interlayer was proposed, including petrophysics, resolution enhancement processing, colored inversion, time-frequency three primary colors, attributes projecting, etc.

为此，首先对D气田的地质构造进行了分析，并在此基础上探讨了现有储层预测技术系列存在的弊端；然后提出了一套针对冲沟和隔夹层的地球物理评价体系，包括岩石物理学、提高地震分辨率处理、有色反演、时频三原色和属性投影等方法技术。

Gz horizontal gradient module, for the first time, is used to delimitate the3D geologic body"s boundary,?gzx is used to delimitate the 2D tabular body"sboundary.

首次提出采用Δgz水平梯度模方法定位三维地质体边界、Δgzx方法定位二维板状体边界。

It's considered that seismic velocity of metamorphic rock is related to metamorphic type and strength, density, lithology and geologic structure, at the same time, intense foliation structure and interlayer of rocks different in velocity make seismic velocity present obvious anisotropy and transverse imhomogeneity.

研究认为，变质岩的地震波速度与变质作用类型和强度、岩石密度、岩性及构造有关，同时由于该区超高压变质岩的面状构造发育，而且不同地震波速度的岩石在空间上表现出明显的迭置关系，因此地震波速度呈现出显著的各向异性和横向不均匀性。

An unusually high level of iridium appears at this time in the geologic ''.

在这一时期的地质''。

The principal contents of the symposia on stratigraphy in the 31st International Geological Congress comprise the following aspects:geologic time scale, biostratigraphy, event stratigraphy, sequence stratigraphy, magnetostratigraphy, isotopic stratigraphy, integrated stratigraphy, sedimentary facies and palaeogeography, palaeobiogeography, and tectono-palaeogeography.

介绍了第 3 1届国际地质大会有关地层学学术讨论的主要内容，包括地质年代表、生物地层学、事件地层学、层序地层学、磁性地层学、同位素地层学、综合地层学、沉积相与沉积古地理、生物古地理、构造古地理 10个方面。

The stratal slices made from the 3-D seismic volume reveal the high-resolution sediment-dispersal patterns and associated depositional systems on the relative geologic time surfaces.

地层切片技术可以在平面上显示相对同一地质沉积时间的沉积分布特征，再结合岩性测井资料可以较准确分析沉积体系。

Certain assemblages of species are characteristic of specific geologic time periods.

某些集会是特有的具体时间周期。certain ：确定的，某一个，无疑的，必然的，可靠的

A key aspect of plate tectonic theory is that on geologic time scales ocean basins are transient features, opening and closing as plates shift.

板块运动理论的一个关键点就是在地质历史的尺度内，海洋盆地的开合是因为板块转换，具有转换特征。

Over geologic time ,events of that frequency left traces in sedimentary rocks.

在地质时期之前，这那一频率事件的痕迹留在了沉积岩上。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。