查询词典 geologic time

An unusually high level of iridium appears at this time in the geologic record and is typically the biggest piece of evidence used in support of this theory.

在这一时期的地质记录当中，铱的高含量是用来证明这一理论的最有力的证据之一。

This is the first time to sum up the distribution, paleoecological characters, paleogeographic environment, paleoclimatology and geologic settings of Mesozoic basin which bear dinosaur eggs,dinosaur skeletons and other fossils in Henan Province.

首次对全省恐龙蛋化石、恐龙骨骼化石及其它类型的恐龙化石在中生代盆地的分布、古生态特征、古地理环境、古气候、地质背景等科研成果进行了全面清理和总结。

In seismic exploration, subsurface salt dome , as a high-velocity geologic body, brought about a series of problems to ordinary processing in time domain and interpretation, for example, false image of subsalt structure and abnormal stack velocity field.

在地震勘探中，地下盐丘作为一个高速地质体会给常规时间域处理和解释带来一系列的问题，如盐下构造的假象和叠加速度场异常等。

The common method of seismic geologic horizon calibration is to construct synthetic seismogram using interval transit time and density from logs.

利用单井测井资料制作优质的合成地震记录是进行地震地质层位标定的基本途径。

This idea fits with other geologic evidence for the closure of a Pacific-type ocean basin at that time, welding the continents into a single "supercontinent" and possibly snuffing out subduction for a while.

这个想法与其他的地质证据相吻合，共同证明了类似于太平洋盆地的板块在那个时期曾经发生了闭合，是大陆板块互相结合成为一个单独的板块-超大陆。

Based on the analyses of the diversity of shape and structure of tarsometatarsus of living birds and its corresponding function, we can study the shape and habit of birds in the early stages, at the same time can discuss the evolutive law of functional behavior of birds in the different periods of the geologic history further too.

特别是通过对现生鸟类跗跖骨形态结构多样性与对应功能的分析，可以此作为研究早期鸟类形态习性的参考依据，同时也可进一步探讨不同地质历史时期鸟类功能行为的演化规律。

In particular it can base on the analyses of the diversity of shape and structure of tarsometatarsus of living birds and its corresponding function,to study the shape and habit of birds in the early stages,at the same time can discuss the evolutive law of functional behavior of birds in the different periods of the geologic history further too.

特别是通过对现生鸟类跗跖骨形态结构多样性与对应功能的分析，可以此作为研究早期鸟类形态习性的参考依据，同时也可进一步探讨不同地质历史时期鸟类功能行为的演化规律。

Then,two geologic models were designed,including layered model and interface undulated model,which were used to carry out post-stack reverse time migration by spectral element method on forward modeling results in anisotropic and isotropic medium.

设计了层状和界面起伏两个地质模型，分别在各向异性介质和各向同性介质条件下对正演模拟结果进行了谱元法叠后逆时偏移。

When the forward and inversed computations are conducted at the same time, the distribution of hydro geologic parameters can be determined with increased accuracy of flow field study.

正演计算和反演计算同时进行，不但确定了水文地质参数分布，也大大地提高了流场研究的精度。

At the same time, the distribution mode of the strand shallow lake and the delta deposition system have been established in this region. The research on type and distribution regulation of subtle trap combining with geologic strata structure indicates that the south slope belt, ditch valley belt, Guangbei slope break and southwest of noselike conformation belt are the more advantageous belt to find subtle trap.

在层序地层格架内，通过古地貌研究和沉积体系研究，识别出低位沟谷带和坡折带等控制沉积的两种地貌，建立了本区滨浅湖沉积体系和三角洲沉积体系的分布模式，结合地层结构特点，对隐蔽圈闭类型及分布规律进行研究，指出南部斜坡带、沟谷带、广北坡折带及鼻状构造带西南端是寻找隐蔽圈闭的有利区带。

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。