- 更多网络例句与始新世的相关的网络例句 [注:此内容来源于网络,仅供参考]
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The placement and orientation of these fossils also tells researchers about the conditions at Green River during the Eocene.
这些化石的形成的地点和方位同时也让研究者们知道在始新世的绿河的环境条件。
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The Eocene's oceans, according to fossil records of oxygen, were the warmest of the past 60 million years.
化石中的氧表明,始新世的海洋是过去6000万年间最温暖的。
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One of the most important fossil sites for understanding the Eocene is found at Green River, located in western Colorado, eastern Utah and southwestern Wyoming in the United States.
一个最重要的认识的始新世的化石地点是在绿河,它位于美国的科罗拉多州西部,犹他州东部和怀俄明州的西南部。
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I am on an Oligocene beach, an Eocene beach, a Cretaceous beach -- the scene is the same.
我正在渐新统的海滩上,或在始新世的海滩上,或在白垩纪的海滩上——场景不变。
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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
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Small order of primitive ungulates of the Paleocene and Eocene.
生活于古新世至始新世的小型原始有蹄动物目。
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They say the Paleocene/Eocene example suggests that changes produced by human activities may have lasting effects not only on global climate, but on deep ocean circulation.
他们说古新世与始新世的例子暗示不只对全球气候,甚至是对海底深层洋流,人类活动所造成的变迁都可能带来长久的影响。
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The evolution process under the control of the multigeodynamic force system (including the boundary forces of Eurasia-Pacific-Indian three massive plates around Nansha block, effects of the deep mantle, relative soft layer-sliding planes within Nansha lithosphere block and the earth's rotational inertial force) can be briefly divided four stages: the late Cretaceous to the early Eocene stage of uprilfing-erosion and shear-extension caused by the oceanwards-eastwards withdrew of Pacific subduction zone and the delamination of proto-subducted slab after the stage of pre-Cretaceous pre-rifting active continentoceanic plate margin. In this stage, the Nansha transcrustal layering-block started to move southeastwards on the Nansha transcrustal layer-sliding plane, meanwhile, the Andu-Bisheng and Liyue-Banyue basement layering-block slid on their upper-crust layer-sliding planes, and Xibu accretion zone was formed. Successively, it entered the stage of the mid-Eocene to early Oligocene, when NW-SE sea-floor spreading occurred in the southwest subbasin owing to the slip-line field initiated by the collision between the Indian and Eurasian plates, Zengmu foreland-basin started to develop in the same time. And in the stage of late Oligocene to early Miocene, near NS simple-shear extension and sea-floor spreading in the central subbasin of eastern South China Sea resulted from the south-southeastwards drawing-force of the mantle-flow. The crustal layering-blocks and the Miri accretion zone formed also in this stage.
南沙岩石圈新生代微板块及板内层块构造的动力演化过程,在多元动力等因素(如块体之外的欧-太-印三大板块运动边界力和地幔深部活动因素、块体内部软弱层滑面以及地球自转变化)控制下,大致经历了4个阶段的演化:从前晚白垩世的裂前活动陆-洋板块边缘阶段因太平洋俯冲带向东跃迁、原向NNW俯冲消亡的板片的拆沉、幔隆而进入晚白垩世-早始新世的隆升剥蚀、剪切伸展演化阶段,南沙超壳层块顺超壳层滑面祥东南运移、安渡-毕生与礼乐-半月基底层块沿上壳层滑面拆离,西布增生带形成;继而先后在中始新世-早渐新世期间受印-欧板块碰撞滑线场、地球自转加速影响出现西南海盆NW-SE向海底扩张和曾母前陆盆地的发育,和晚渐新世-早中新世期间南—东南向地幔流牵引造成的中央次海盆近NS向单剪伸展与海底扩张、壳体层块向南差异滑移、米里增生带形成;中中新世以来,印度-澳洲板块快速向北俯冲,构成今日南海格局。
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We studied a maxillary fragment of tarsier and revealed that tarsiers had already achieved gigantic orbits and bell-shaped palate by the time of middle Eocene.
对于眼镜猴上颌骨片断的研究表明,中始新世的眼镜猴已经具有了如同现生眼镜猴一样的钟形腭和明显增大的眼眶。
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The Green River site is important because it reveals information about the climate during the Eocene and the transitions during the period itself, including the significant faunal change that occurred in North America.
绿河所在地很重要的原因就是他揭示了始新世的温度和转变情况,包括在北美的明显动物系的转变。
- 更多网络解释与始新世的相关的网络解释 [注:此内容来源于网络,仅供参考]
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danian:达宁阶
rossica,古新世达宁阶(Danian)至始新世晚期欧洲 , 摩洛哥 , 俄罗斯 , 墨西哥及美国切萨皮克湾的S. striata 及始新世哈萨克的S. uralica. 其中最著名要数古新世至始新世的S. striata及始新世的巨条纹鼠鲨S. macrota ,
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Eocene:始新世
研究指出:"这些地形大概在冰层下方保存了约1400万年. " 研究发现,与了解地球两极冰帽如何形成的深海同位素研究结果不谋而合. 这些研究显示,地球曾有段全球冷却期,介于5200万年前与3400万年前的"始新世"(Eocene)
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Eocene:始新世的
Eoanthropus 曙人 | Eocene 始新世的 | eohippus 始祖马
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eocene Eoc:始新世
embedded embd 嵌入的 | eocene Eoc 始新世 | equivalent cirulating density E.C.D 等效循环密度
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miocene:中新世
新生代分为五个时期:晓新世(Paleocene),始新世( Eocene),渐新世(Oligocene),中新世(Miocene),及鲜新世(Pliocene)等. 地质学家发掘得到的最早的灵长目化石,是在北美洲洛矶山脉的白垩纪(Cretaceous Epoch)岩层,和美国西岸的鲜新世地层中,
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neogene:新第三纪
第三纪由古而新分为古新世(Paleocene)、始新世(Eocene)、渐新世(Oligocene)、中新世(Miocene)与上新世(Pliocene);第三纪的前三个世(古新世、始新世、渐新世)又合称为古第三纪(Paleogene),后讲两个世(中新世与上新世)则合称为新第三纪(Neogene).
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paleocene:古新世
每一个朝代、每一纪、每一世都有其世界通用的名号;如新生代(Cenozoic Era) 分为第三纪(Tertiary Period)与第四纪(Quaternary);第三纪由古而新分为古新世(Paleocene)、始新世(Eocene)、渐新世(Oligocene)、中新世(Miocene)与上新世(Pliocene);
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Savanna:大草原
始新世的时候,陆地上以森林为主,但是随着天气的变干,大草原(savanna)逐渐成为主流生态环境,跑犀也随之而逐步变化. 最早期的跑犀,臼齿比较简单适合,唇部比较发达,以嫩叶为生,到了渐新世,部分犀牛的臼齿就变得复杂,适合一个以草为主食.
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tertiary:第三纪
第4大海洋:始新世 (Eocene) 的海洋始新世(Eocene),为第三纪(Tertiary)所分五个地质时代中次老之一时代,约距今5300万年~距今3650万年. 该时期,现代哺乳动物的所有门类都已出现,其地层在世界上广泛分布. 始新世的开始以奇蹄类和偶蹄类动物的出现为标志.
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palaeocene:古新世
在七千万年前的古新世(Palaeocene)和六千万年的始新世(Eocene)的地质资料中,印度西太平洋区并无明显的现生种珊瑚化石存在,而当时珊瑚主要分布在现今的欧洲沿岸与加勒比海的大西洋海域 (图.