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- Fractures and caverns are the main spaces of carbonate reservoirs of the Ordovician system in Tahe Oilfield. 裂缝和溶蚀孔洞是塔河油田奥陶系碳酸盐岩主要的储集空间。
- The major structure in the area is the NE-NNE folded belt consisting of Banxi Group of the Middle Proterozoic era to the Ordovician system of the Early Paleozoic era. 由新元古界板溪群至下古生界奥陶系所构成的NE-NNE向褶皱带为区内主体构造；
- The cementation of the conglomerate, dating back to the Jurassic period is so compact that it has hardened into rock and comes into contact with the limestone of the ordovician system in angular uncoformity. 砾岩胶结紧密已硬化成岩石,与奥陶系灰岩呈角度不整合接触,时代为侏罗纪。
- Drilling Technology in the Ordovician System of North Tarim, Drilling While Lost Circulation 塔北奥陶系可控状态下的边漏边钻技术
- A STUDY ON WATER INVASION MECHANISM OF THE BOTTOM-WATER GAS RESERVOIR IN THE ORDOVICIAN SYSTEM OF HETIAN-HE GAS FIELD 和田河气田奥陶系底水气藏水侵机理研究
- Hydrocarbon in the Ordovician petroleum accumulation system originated from the Cambrian and Lower Ordovician source rocks. 塔中低凸起奥陶纪油气成藏体系的源岩为寒武系及下奥陶统烃源岩 ;
- The smithsonite deposits of longshansangzhi lead-zine zone in northwestern Hunan are located in Haozitue group of upper Cambrian system and bottom party of Nanjianguan fromation of lower Ordovician system. 湖南西北部龙山 -桑植铅锌矿带的菱锌矿床 ,主要赋存于寒武系上统耗子沱群第 3段和奥陶系下统南津关组底部的“硅化体”与纯灰岩接触面附近 ,为以菱锌矿为主、异极矿其次的氧化锌矿床。
- the Ordovician system 奥陶系
- The right to dissent is part of our political system. 有持异议的权利是我们政治体制的组成部分。
- A systemic and integrated criteria is thus obtained for the Ordovician carbonates in the Tahe oilfield. 从而使塔河油田奥陶系储层有了一个比较系统、完善的划分标准。
- Do you know how to log in to the system? 你知道怎么登录进入这个系统吗？
- The Ordovician Winnipeg may have been 200 my old or older during its main oil expulsion phase. 奥陶系Winnipeg组可能已处于主要石油排出期长达200百万年或更早。
- The salts are continental source and come from the Cambrian and Ordovician systems of the surrounding uplifts. 其盐源主要是陆源，由周围凸起的寒武、奥陶系提供。
- Public opinion was against the old feudal system. 公众舆论反对旧的封建制度。
- The system works on the principle that heat rises. 该项装置是按照热力上升的原理运转的。
- 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。
- The drainage system has been aged. 排水系统已经老化了。
- The Lazhuglung Formation overlies unconformably the Ordovician and Silurian strata. 发现了几个重要的不整合界面；
- Any of various large, segmented aquatic arthropods of the order Eurypterida that existed from the Ordovician Period to the Permian Period. （古生）板足鲎目的一种巨大的、有节的，属于板足鲎目的水生节肢动物，生存于奥陶纪到二叠纪时期
- He's mute on the subject of social system. 他对社会制度的问题保持沉默。
