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。

We will also explore topics like sediment transport and deposition in modern sedimentary environments, burial and lithification, survey of major sedimentary rock types, stratigraphic relationships of sedimentary basins, and evolution of sedimentary processes through geologic time.

我们也将会探讨以下题目，例如沉积物搬运和现代沉积环境中的沉积作用，埋藏和石化作用，观测主要的沉积岩类型，沉积盆地中地层的关系，和地质时期沉积过程的演变。

In terms of geologic time scales, our existence is miniscule.

就地质时间表而言，我们的存在是短暂的。

Of, relating to, or designating the geologic time, rock series, sedimentary deposits, and fossils of the second oldest of the five major epochs of the Tertiary Period, extending from the end of the Paleocene to the beginning of the Oligocene, and characterized by the rise of mammals.

始新世的关于或标明第三纪的五个世中第二世的地质时代、岩系段，沉积矿床和化石的，该世由古新世末期到渐新世初期，以哺乳动物的繁盛为特征

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。

Of, relating to, or belonging to the geologic time, system of rocks, and sedimentary deposits of the first period of the Paleozoic Era, characterized by warm seas and desert land areas.

寒武纪的寒武纪的、与之相关的或属于它的，即古新世时代第一时期的岩石体系的以及沉积物的，以海洋的温暖和陆地的荒漠为特征

Period of geologic time extends from the end of the tertiary period to the present.

地质时期中的第四纪是从第三纪一直到现在。

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。

Cable dampener cannot be rolled up but must be hung over the cable.

缆帆不能被卷起，必须保证处于展开状态

"This skylark is a present from my master," he says.

"这只云雀是我主人献上的礼物。"他说。