查询词典 Oligocene

Any of many extinct cats of the Old and New Worlds having long swordlike upper canine teeth; from the Oligocene through the Pleistocene.

东半球许多已经灭绝的猫科动物，其上犬齿形如长剑；生活在从渐新世经由更新世时期。

In the Ostra Field, Venezuela , oil is produced from lenticular sandstone beds of the Oligocene oficina Formation.

委内瑞拉奥斯特拉油田的产油层，为渐新世奥菲西那组透镜状砂岩层。

The third member of Dongying Formation Oligocene (Ed3) is one of the major oil producing pays. As the oilfield developing, the contradiction between distribution of reservoir sandbodies and production practice becomes more serious. For further production, it is the key point to get better understanding of sedimentary characteristic and reservoir distribution.

随着油田开发的不断深入，储集体分布范围及规模与开采动态的矛盾日益凸现，对东三段III油组沉积相分布规律的认识以及砂体的微相类型确定与空间展布已成为制约下一步开发的核心问题。

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。

Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.

北部湾盆地在中始新世至早渐新世是一个湖泊。

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

Mineral compositions and palaeoclimatic indicator of palygorskite of the Late Oligocene sediments in Xunhua basin, Qinghai,were investigated using X-ray diffraction and scanning electron microscopy methods.

采用X射线衍射和扫描电子分析方法，对青海循化盆地晚渐新世沉积物的矿物组成、坡缕石的矿物学特征以及古气候指示作用进行了深入的研究。

An important angiosperm flora was found in a sand-mudstone lens in Hanjiajing Formation of the Lower Oligocene from the basin, which changes the conditions that plant fossils of Palaeogene were seldom discovered in Northwest China, especially in Gansu Province.

在该盆地下渐新统韩家井组砂泥岩透镜体中一个重要被子植物化石群的发现，改变了我国西北地区尤其是甘肃省早第三纪晚期的植物化石几乎是空白的状况。

The Tertiary and Quaternary sediments in the Yinggehai basin is up to 17 km thick, with the Oligocene Yacheng and Lingshui formations over mature.

琼东南盆地具有典型的裂陷盆地特征和双层结构[1 ] ，莺歌海盆地上第三系巨厚，除与底辟有关的小断距断层外几乎不发育断层(图 1 )。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。