查询词典 Eocene

There are three kinds of source rocks and three periods of pool formation in the multiple petroleum system of Eocene and Oligocene in the Jiyang Basin.

以这三套生油层系为核心，三个成藏期为标志，形成了复式含油气系统。

The volcanic rocks in the Qiangtang area are mid-Eocene to Oligocene in age according to their K-Ar isotopic data.

根据K-Ar同位素定年数据可将该火山活动划分为四个喷发阶段，时代分属始新世—渐新世。

Artiodactyla generally divided into:(1) Ancient cloven-hoofed also known as sub-orders of ancient teeth, including the Eocene and Oligocene Some of the early cloven-hoofed, they already have two of the talus trochlear surface.

偶蹄目一般分为：（1）古偶蹄类或称古齿亚目，包括始新世和渐新世的一些早期偶蹄类，它们的距骨已具有两个滑车面。

Any of various extinct herbivorous hoofed mammals of the genus Brontotherium and related genera,of the Eocene and Oligocene epochs,resembling the rhinoceros .

雷兽类一种已绝迹的雷兽属和其它相关属类的有蹄食草哺乳动物，生长于始新世和渐新世，类似于犀牛

All above significant changes imply that the Tethys-Himalayanarea was affected by the Paleocene/Eocene Thermal Maximum.

西藏南部受全球地质事件的影响，在古新世与始新世界线时期出现明显的气候变化。

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。

That would have been 24 million years after the transition from very warm temperatures in the Paleocene and Eocene eras to major planetary cooling and the appearance of permanent North and South Poles.

从古新世和始新世时代非常温暖的温度转变到主要的行星冷却和永久的南、北极出现的时代后约有二千四百万年。

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。

The former began to migrate toward fresh water environment in late Cretaceous,but portion of them still remained in sea water till late Eocene;the latter began to migrate toward fresh water in Paleocene and lost its records in sea water.

前者在晚白垩世开始向淡水环境迁移，但仍有部分留在海水中，一直延续到晚始新世；后者在古新世时开始迁向淡水，并在海水中失去记录。

In today's issue of the journal "Nature," scientists Flvia Nunes and Richard Norris describe how they examined a four to seven degree warming period that occurred some 55 million years ago during the closing stages of the Paleocene and the beginning of the Eocene eras.

在距今约5，500万年前，也就是古新世与始新世交替时期，地球曾有一段温度上升4~7度的暖化时期；而在最近一期《自然》期刊中，科学家那恩斯与诺瑞斯描述他们如何检验该时期的暖化效应。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失