“近期原油价格的波动同汇率不稳定存在联系，”世界银行经济学家、报告核心编写组成员SergeiUlatov说。
"The recent shift in oil prices is reflected in the exchange rate dynamics," said Sergei Ulatov, World Bank economist and member of the core report team.
由于原油价格波动，同欧洲债务危机相关的风险规避力度增大导致的不确定性不断增强，汇率一直呈现不稳定态势。
The exchange rate has been volatile due to the fluctuations in oil prices and growing uncertainty as a result of higher risk aversion associated with the debt crisis in Europe.
即使没有地缘的不稳定因素，用增加原油产量来满足世界急剧增长的需求仍然是个令人畏惧的挑战。
Even without geopolitical instability, increasing oil production to meet the world's growing demand is a daunting challenge.
文章详细讨论了原油管道瞬变流动的数学描述及有限差分求解方法，并分别分析了对简单管道和长输管道不稳定工况的仿真。
Discussed are the hydraulic transient equations of fluid transient in pipelines and the finite differential solution as well as the practical simulation of short or long pipelines.
油田开采后期，采出液中含水率很高且采出液量极不稳定，这就导致原油电脱水系统频繁受到大的干扰。
In the later period of oilfield development, high water cut in produced fluid and unstable produced fluid volume may cause big and frequent disturbance in the electric dehydration system of crude oil.
所以塔河油田原油非常不稳定，体系中的胶质沥青质极易析出产生沉淀。
So the crude oil of ta 'he field is much instability, and colloid and asphaltene are much separation from oil to cause deposition from crude oil system.
所以塔河油田原油非常不稳定，体系中的胶质沥青质极易析出产生沉淀。
So the crude oil of ta 'he field is much instability, and colloid and asphaltene are much separation from oil to cause deposition from crude oil system.
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