ordovician的例句大全

A phasic alternation of marine biota from Late Ordovician to Early Silurian and the geological age of the Guanyinqiao formation

扬子区晚奥陶世到早志留世海洋生物群的阶段性更替及观音桥组的时代

2) The relatively low energy type carbonate platform margin can be represented by the barrier reef-lime mud bank complex in Bachu outcrop area which have been developed during the deposition of Middle Ordovician Yijian-fang Formation ( Dawangou Formation).

2）相对低能台地边缘型，以巴楚露头区中奥陶统一间房组（大湾沟组）沉积期障积礁、含灰泥滩组合为代表；

Application of Time Domain Electromagnetic Prospecting Technology in the Leading Survey of Confined Area with Ordovician Limestone

瞬变电磁勘探技术在奥灰承压区超前探测中的应用

Late Ordovician bryozoans from Yushan county, Jiangxi Province

江西玉山晚奥陶世苔藓虫

The configuration of Ordovician of lower Palaeozoic system highly inherits that of Archaean group and both have a strong consistency.

下古生界奥陶系构造具有很强的继承性，其构造格局与太古界有很强的一致性。

This paper discusses the hydrocarbon conduit systems such as fault and structural fissure, unconformity and paleo-weathering crust, Ordovician vug and fracture as well as interconnected sand body in light of Tahe oilfield and its regional geological situations.

根据塔河油田及其区域地质情况，论述了断层及构造裂隙，不整合面和古风化壳，奥陶系孔、洞、缝和连通砂体四类输导系统。

Bryozoa was quite diversified in the Ordovician, but lacked fossil records in the Cambrian.

古生物学资料表明,虽然苔藓动物的大多数类群在奥陶纪已经分化出来, 但它在寒武纪却缺乏任何化石记录.