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- Of, relating to, or being the geologic time and deposits of the epoch in the Tertiary Period of the Cenozoic Era that extended from the Eocene Epoch to the Miocene Epoch. 渐新世的新生代第三纪的，从始新世到中新世的地质年代的或沉积物的或与之相关的
- The microorganisms had lain dormant since the Eocene epoch, a time when Australia split off from Antarctica and modern mammals first appeared. 自始新世（5300-3650万年前）开始，它们便沉睡在化石之中，在那个时代，澳洲板块刚刚与南极板块分离，而现代哺乳动物刚刚开始出现。
- She died 47m years ago in the Eocene epoch and was discovered in Messel pit, a world-renowed fossil site near Darmstadt in Germany, in 1983. 爱达死于四千七百万年前的始新世,在1983年发现于梅赛尔坑,德国达姆施塔特附近,一个世界有名的化石遗址。
- Of,relating to,or being the geologic time and deposits of the epoch in the Tertiary Period of the Cenozoic Era that extended from the Eocene Epoch to the Miocene Epoch. 渐新世的新生代第三纪的，从始新世到中新世的地质年代的或沉积物的或与之相关的
- A large,coin-shaped,fossil foraminifer of the genus Nummulites,widely distributed in limestone formations from the Eocene Epoch to the Miocene Epoch of the Cenozoic. 货币虫货币虫体形大而呈硬币状，化石有孔的虫，从始新世到新生代的中新世广泛分布在石灰岩地层中。
- A large, coin-shaped, fossil foraminifer of the genus Nummulites, widely distributed in limestone formations from the Eocene Epoch to the Miocene Epoch of the Cenozoic. 货币虫货币虫体形大而呈硬币状，化石有孔的虫，从始新世到新生代的中新世广泛分布在石灰岩地层中
- The Eocene Epoch. 始新世
- A small, herbivorous, extinct mammal of the genus Hyracotherium(or Eohippus)from the Eocene Epoch of the western United States, having four - toed front feet and three - toed hind feet and related ancestrally to the horse. 始祖马始新世产于美国西部的一种属于蹄兔（或始祖马）属的哺乳动物，已灭绝，体型小，食草，前蹄四趾，后蹄三趾，为马的远祖
- A small, herbivorous, extinct mammal of the genus Hyracotherium(or Eohippus) from the Eocene Epoch of the western United States, having four-toed front feet and three-toed hind feet and related ancestrally to the horse. 始祖马始新世产于美国西部的一种属于蹄兔（或始祖马）属的哺乳动物，已灭绝，体型小，食草，前蹄四趾，后蹄三趾，为马的远祖
- Of, belonging to, or designating the geologic time, rock series, and sedimentary deposits of the first epoch of the Tertiary Period, preceding the Eocene Epoch and characterized by the appearance of placental mammals. 古新代的属于或是地质时代、岩系的段和沉积矿床第三纪的第一时代的，早于始新世时代并且以胎生哺乳动物的出现为特征
- Paleontologists have uncovered a wealth of whale fossils spanning the Eocene epoch, the time between 55 million and 34 million years ago when archaic whales, or archaeocetes, made their transition from land to sea. 古生物学家已经找到了丰富的始新世古鲸化石，也就是现生鲸豚的祖先；他们发现古鲸是在5500~3400万年前的始新世，从陆栖动物演变成海栖动物的。
- a small,herbivorous,extinct mammal of the genus Hyracotherium(or Eohippus) from the Eocene Epoch of the western United States,having four-toed front feet and three-toed hind feet and related ancestrally to the horse 始新世产于美国西部的一种属于蹄兔（或始祖马）属的哺乳动物，已灭绝，体型小，食草，前蹄四趾，后蹄三趾，为马的远祖
- of,belonging to,or designating the geologic time,rock series,and sedimentary deposits of the first epoch of the Tertiary Period,preceding the Eocene Epoch and characterized by the appearance of placental mammals 属于或是地质时代、岩系的段和沉积矿床第三纪的第一时代的，早于始新世时代并且以胎生哺乳动物的出现为特征
- the Eocene Epoch 始新世
- Paleocene The earliest epoch of the Tertiary period, before the Eocene and lasting from around 65 to 55 million years ago. 古新世第三纪中最早的一个世，在始新世之前，大约从六千五百万年前持续到五千五百万年前。
- At present, coals of the Eocene Pinghu formation have entered into the best epoch of pool - formed, it made a greater contribution to oil - formed. 提出始新统平湖组煤是重要的烃源岩，目前斜坡地区始新统平湖组煤正处于油藏形成的最佳期，斜坡所产原油有它的重要贡献。
- The Eocene is subdivided into 38 fourth-order sequences. 东海陆架盆地下第三系进一步细划出38个四级层序。
- The monkey-like creature was preserved through the ages in Germany's Messel Pit, a crater rich in Eocene Epoch fossils. 这个类似猴子的生物在德国麦塞尔坑（一个保存有众多始新世化石的火山口。）安然度过4700万年，被保存下来。
- The funnel-shaped self-potential curve of the Eocene sands is well marked. 始新统砂层的漏斗形自然电位曲线形态很明显。
- Starting from the Eocene found in Europe, Asia, North America and other places. 眼镜猴类化石发现稍多。从始新世起发现于欧、亚、北美等地。
