cretaceous
cretaceous是什么意思、cretaceous怎么读
读音：[krɪˈteɪʃəs]
[krɪˈteɪʃɪs]
cretaceous 基本解释
n. 白垩（系，纪）
adj. 白垩（质，系，纪）的
cretaceous 词组短语
cretaceous 双语例句
- 1、
The term is used at various localities in North africa, includes beds ranging from Carboniferous to early cretaceous.
在北非不同的地方使用这个名称，包括从石炭纪到早白垩世的地层。 - 2、
They have names like the Jurassic, the cretaceous and the Pleistocene.
举例来说，这些地质时期有侏罗纪、白垩纪和更新世等。 - 3、
The types and characteristics of the sedimentary facies developed in Pukou formation of Upper cretaceous in Huaiyin sag of Yanfu depression are analyzed.
对盐阜坳陷淮阴凹陷上白垩统浦口组发育的沉积相类型及其特征进行了分析。 - 4、
This paper gives descriptions to biostratigraphy of cretaceous sedimentary basins and egg fossils from these basins;
文中还介绍了我国白垩纪几个沉积盆地的生物地层和一些具有特色的蛋化石种类； - 5、
This paper describes cretaceous petroleum system in Ecuador Oriente Basin. The oil resources are rich in this basin.
厄瓜多尔东部盆地发育白垩系含油气系统，石油资源丰富。 - 6、
Modern geology studies have shown that Hill is a world with a sense of typical cretaceous rhyolitic ancient volcano-caldera.
现代地质学研究表明，雁荡山是一座具有世界意义的典型的白垩纪流纹质古火山&破火山。 - 7、
The unconformity between the Eocene and the Lower cretaceous is common in Jiuquan basin.
酒泉盆地普遍发育了始新统与下白垩统之间的不整合。 - 8、
Jurassic fault, late cretaceous depression;
侏罗系的断，上白垩系的坳； - 9、
Later ichthyosaurs of the Jurassic and cretaceous; widely distributed in both hemispheres.
侏罗纪和白垩纪的末期鱼龙；广泛分布于东西半球。 - 10、
Primitive reptile-like fossil birds of the Jurassic or early cretaceous.
侏罗纪和白垩纪初的与爬行动物相似的远古化石鸟类。 - 11、
Mineral, palaeontology, middle devonian, permian to early jurassic, and cretaceous.
收藏矿物、古生物学、中泥盆纪、二叠纪到早期的侏罗纪和白恶纪。 - 12、
Early cretaceous magmatism during the strike-slip movement indicates that the fault zone put into crust-mantle boundary.
早白垩世走滑期的岩浆活动，指示当时断裂带切入了壳-幔边界。 - 13、
Corresponding to the cretaceous global events, there are several times of anoxic events in the Songliao Basin.
松辽盆地白垩纪出现多期缺氧地质事件，它与全球白垩纪的地质事件相对应。 - 14、
The facies types of the Lower cretaceous are mainly delta, lake and turbidity.
下白垩统的扎赉诺尔群的沉积相的主要类型为三角洲相，湖相和浊流相。 - 15、
From the view of stratigraphy, they all belong to the cretaceous period.
从地层学上看，它们都属于白垩纪。 - 16、
The earliest known bird, Archaeopteryx, lived during the Jurassic, the period before the cretaceous.
人类所知的最早的鸟类，始祖鸟，生活在白垩纪前的侏罗纪时代。 - 17、
The oil-sand deposits in this region are mainly distributed in cretaceous sandstone and basal conglomerate.
该地区油砂主要分布于白垩系砂岩、底砾岩中。 - 18、
The Triassic and cretaceous volcanisms in the southeast and southwest Guangxi were active.
桂东南和桂西南地区中生代三叠纪和白垩纪的火山活动活跃。 - 19、
A series of late Jurassic-early cretaceous coal-bearing basins have developed in southern Songliao Basin and distributed regularly.
松辽盆地南部发育了一系列晚侏罗世&早白垩世含煤盆地，呈规律性展布。 - 20、
The application to constrain strata age is illustrated by dating the cretaceous sediment in western Qinling Mountain.
本文以西秦岭地区三岔&四店一带的白垩纪地层为例，说明该方法在制约地层年龄中的应用。 - 21、
From the cretaceous, Tarim basin began the new evolutional stage of foreland basin.
从白垩纪初期开始，塔里木盆地进入晚期前陆盆地演化阶段。 - 22、
They expected to find evidence of well-known Late cretaceous vegetation such as conifers and cycads.
他们原本期望发现晚白垩世时期著名植物如针叶树和苏铁存在的证据。 - 23、
According to different dimensions, the cretaceous groundwater basin can be divided into many groundwater flow systems.
以不同的研究尺度，白垩系地下水盆地可以划分为若干地下水流系统。 - 24、
They died out along with the dinosaurs at the end of the cretaceous.
他们去世了，随著恐龙在年底白垩纪。 - 25、
A Study on the Sedimentary Paleogeography of the Late Jurassic and cretaceous in the Mid-Yangtze Area
中扬子区晚侏罗世和白垩纪沉积古地理研究 - 26、
Xixia ruins belong to the cretaceous period dinosaur rift sedimentary basin.
西峡恐龙遗址属于白垩纪断陷盆地沉积。 - 27、
Any of various large dinosaurs of the genus iguanodon, of the Jurassic period and cretaceous period.
禽龙属于侏罗纪和白垩纪的禽龙属中的任意一种大型恐龙。 - 28、
Niedzwiedzki and Singer's discovery was reported in the journal cretaceous Research.
尼德韦德兹克和司辛格的发现在杂志《白垩纪研究》上面发表了。 - 29、
Carnivorous saurischian dinosaurs with short forelimbs; Jurassic and cretaceous.
前肢较短的蜥臀目食肉恐龙；生活于侏罗纪和白垩纪之间。 - 30、
Gigantic carnivorous bipedal dinosaur of the Jurassic or early cretaceous in Europe.
侏罗纪或白垩纪早期欧洲巨大的食草性两足恐龙。
cretaceous 英英释义
adj
- abounding in chalk