devonian
英式音标:[deˈvəuniən] 美式音标:[dɪˈvoniən]
devonian基本解释 adj. 泥盆纪的;德文郡的n. [地质] 泥盆纪;英国得文郡 devonian的意思释义 adj.德文郡的,(
devonian怎么读
英式音标:[deˈvəuniən]
美式音标:[dɪˈvoniən]
devonian基本解释
adj. 泥盆纪的;德文郡的
n. [地质] 泥盆纪;英国得文郡
devonian的意思释义
adj.
德文郡的,(地质)泥盆纪(古代生物的一个时期)的;
n.
德文郡,泥盆纪;
英英释义
devonian[ de\'vəunjən ]n.from 405 million to 345 million years ago; dominance of fishes and appearance of amphibians and ammonites
同义词:Devonian periodAge of Fishes
devonian用法及例句
词组短语
middle devonian中泥盆世;中泥盆纪
devonian period[地质]泥盆纪
devonian system[地质]泥盆系
双语例句
用作形容词(adj.)
Near the end of Devonian times, thirty percent of all animal life vanished.
临近泥盆纪末时,地球上所有动物种类中的百分之三十都已灭绝。
例句参考
The Late Devonian Mass ExtinctionDevonian eustatic fluctuations in Euramerica
Devonian eustatic fluctuations in Euramerica: Discussion
The late devonian mass extinction. The Frasnian/Famennian crisis
Devonian eustatic fluctuations in Euramerica. Geol Soc Am Bull 96: 567-587
The Late Devonian mass extinction : the Frasnian/Famennian crisis
A new group of Early Devonian plants with valvate sporangia containing sculptured permanent dyads
Morphological Disparity in Ordovician-Devonian Crinoids and the Early Saturation of Morphological Space
Coordinated stasis and evolutionary ecology of Silurian to Middle Devonian faunas in the Appalachian Basin
Characterizing the shale gas resource potential of Devonian-Mississippian strata in the Western Canada sedimentary basin: applicatio...
devonian词源
Devonian (adj.)
1837, as a geological era, from the English county of Devon, where the Old Red Sandstone formations of that age are prominent, + -ian.
devonian相关例句
1. The strata in Devonian period of Shuangwang area was divided in detail, going by new mapping theory and method of the regional geological survey.
本文采用新的区调填图理论和方法,详细划分了双王地区的泥盆纪地层,论述了岩相古地理特征。
2. The end of the Devonian was a crucial time for vertebrates.
泥盆纪末期是脊椎动物出现很的关键时期。
3. The most important metallogenic period of antimony in China is Devonian and Yanshan Period.
中国锑矿床较重要的成矿期为泥盆纪和侏罗-白垩纪。
4. The contact relationship between Silurian and Devonian is parallel unconformity.
泥盆系与志留系之间为平行不整合接触。
5. During Devonian Period, the old sea basin of Qinling range was a continental sea, which was situated between Northern China and Yangtz old land.
泥盆纪时,奏岭古海盆是介于华北古陆和扬子古陆之间的一个复杂的陆表海,故应作独立地层区。
6. This new explanation has provided new evidences for the interpretation of the nature and evolution of the Devonian sedimentary basins in the Longmen Mountain area.
认为区内早埃姆斯期属深水陆棚至深水盆地沉积环境,为龙门山区泥盆纪沉积盆地的性质和演化提供了新资料。
7. Geological events during the Devonian basin evolution were very closely related to mineralization.
在泥盆纪盆地演化中,地质事件与成矿关系极为密切。
8. Big scale structures developed well in Devonian strata which is in the deep area, and formed the approximately south and north , east and west zones.
深层的泥盆系内大型构造十分发育,并组成了近南北向与近东西向构造带的分带、分块与叠加现象。
9. Its age is Sinian early Paleozoic to Devonian.
其时代主要为震旦纪—早古生代至泥盆纪。
10. Silurian-Devonian was the formation stage of intra-cratonic compressive bending depression and Lunnan paleo-uplift.
志留-泥盆纪为克拉通内挤压挠曲坳陷与独立轮南古隆起形成阶段;
11. The Houjiangqiao Pb Zn deposit features multi source, multi stage in mineralization, which is mainly related to Devonian strata and hydrothermal activity.
后江桥铅锌矿具有多源、多阶段成矿特点,成矿主要与泥盆纪地层及热液作用有关。
12. The first generational northwest folds were fault band folds, formed during Middle Cambrian to Devonian, which were \"under water uplift\", distributed over the whole studied area.
第一期北西向褶皱构造为轴向北西的断层转折褶皱,形成于中寒武世—泥盆纪,它们当时都是一些“水下隆起” ,在全区均有分布。
13. Based on sequence stratigraphy work for the outcrops in Tarim Basin, The author sets up the Sealevel changes curve of sinian period to Devonian period.
根据对塔里木盆地露头剖面的层序地层学研究,建立了震旦—泥盆纪古海平面变化曲线。
14. And the results also show that the rare earth elements in the Devonian and Carboniferous volcanic rocks inherited the characteristics of those in its source materials.
同时也显示区内泥盆纪及石炭纪火山岩的稀土元素继承了其源区物质的稀土元素特征。
15. Representative elements of order Albaillellaria firstly appear in Silurian, which prosperous in Late Devonian, and extinction in end-Permian, is the characteristic group of Late Paleozoic Radiolaria.
阿尔拜虫目放射虫较早的代表出现于志留纪,从晚泥盆世开始繁盛,于二叠纪末期灭绝,是晚古生代特有的放射虫类群。
16. The Ghost Mountain Au deposit of Luangprabang exists in the Upper Palaeozoic Devonian sandstone, slate and Permian limestone.
琅勃拉邦魔鬼山金矿床,赋存于上古生界泥盆系砂、板岩和二叠系石灰岩中。
17. The Haikou Formation of Middle Devonian in Luquan contains coal bearing sediments (predominantly clastic rocks)which are of littoral origin and yield abundant fishes, fossil plants and pelecypods.
云南禄劝中泥盆世海口组为以碎屑岩为主的滨海相含煤沉积,地层中产有丰富的鱼类、植物和双壳类化石;
18. Accessorial types such as fern and its spore, gymnosperm and its pollen appeared from Devonian to Jurassic.
泥盆纪至侏罗纪油气形成的母源体新增加了蕨类植物及其孢子、裸子植物及其花粉等;
19. The characteristic of Devonian strata and mineral resources in Guangxi are briefly introduced.
概要介绍广西泥盆纪地层特征及矿产资源。
20. It was previously considered that all of the Pb-Zn deposits in the Xicheng orefield belong to Devonian hydrothermal-sedimentary deposits or their reworked ones.
以往资料认为西成矿田的铅锌矿床均属泥盆纪热水—喷流沉积或它们的改造型矿床。
21. It was previously considered that all of the Pb-Zn deposits in the Xicheng orefield belong to Devonian hydrothermal-sedimentary deposits or their reworked ones.
以往资料认为西成矿田的铅锌矿床均属泥盆纪热水—喷流沉积或它们的改造型矿床。
22.fossil gymnospermous trees or climbing plants from the Devonian: seed ferns.
裸子植物化石树或攀缘植物,起源于泥盆纪;种子蕨。
-- 来源 -- 汉英 - 翻译参考
23.Devonian Period
泥盆纪
-- 来源 -- 英汉 - 短句参考
24.Devonian System
泥盆系
-- 来源 -- 英汉 - 短句参考
25.second earliest fossil amphibian ever found; of the Devonian; found in Greenland.
于格陵兰所发现的稍晚于早期的泥盆纪两栖类化石。
-- 来源 -- 汉英 - 翻译参考
26.Hong Kong lies on the southern edge of an ancient land mass. The oldest exposed rocks are Devonian fluvial sediments that were deposited 400million years ago.
香港处于古陆块的南缘,较老的外露岩石是在4亿年前的泥盆纪时期,由河流冲积形成的沉积岩。
-- 来源 -- environment - 汉英
27.fishlike vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws.
头部和身体上方有骨片的似鱼的脊椎动物;泥盆纪时期海中和河中的优势物种;曾被认为是较早的有颚脊椎动物。
-- 来源 -- 汉英 - 翻译参考
28.Devonian fossil plant considered one of the earliest forms of vascular land plants; similar to genus Rhynia but smaller.
被认为是有脉管的陆地植物的较初形式之一的泥盆纪化石植物;与鹿角蕨属相似,较
-- 来源 -- 汉英 - 翻译参考
29.lower tracheophytes in existence since the Devonian.
自从泥盆纪以来就生存的低等维管植物。
-- 来源 -- 汉英 - 翻译参考
30.fossil arborescent plants arising during the Lower Devonian and conspicuous throughout the Carboniferous.
树木化石状植物,发源于泥盆纪,鼎盛于石炭纪。
-- 来源 -- 汉英 - 翻译参考
31.The Devonian Period or its system of deposits.
泥盆纪(系)或泥盆纪(系)的沉积矿系体系
-- 来源 -- 英汉 - 短句参考