A certain long - term economic benefits can be obtained by a long - term optimization operation carried on through a lot of water demand levels 利用这种长期存在的供水能力与实际用水水平的差别，就可通过多个用水水平，进行长期的优化调度而获得某种长期的经济效益，即期望经济效益。
After reviewing the history of quebec and analyzing the cause why the is - sue of quebec has been existing so long time , i anticipated the trend of the is - sue of quebec in the future 在回顾了魁北克问题的历史，分析了这一问题长期存在的原因之后，本文第三部分预测了魁北克问题的前景。
There exist a great range of management problems such as regional segmentation , obvious effect of the planned economy , single investment channel and single governance subject 摘要条块分割、计划痕迹明显、办学主体单一、投资渠道单一、学校内部管理滞后等问题是我国高等教育长期存在的问题。
Nevertheless , owing to the features of a long - time existed dual structure of social economy , the transformation of public transportation structure has experienced a long and arduous process 但由于近代上海长期存在的二元社会经济结构的特征，公共交通结构的转型经历了一个艰难而漫长的过程。
This is the targeted model of the reform of soes . we want to solve the problems of ambiguous property rights and the unreasonable inside corporate governance structure 本文认为它不仅确立了国企改革的具体目标，也从根本上触及到了国有企业长期存在的产权模糊、企业内部治理结构不合理的问题。
Rather than being a standing sea slowly accumulating sediment , meridiani seems to have the characteristic chemistry of transient lake beds in a terrestrial desert , or salt flats on a seashore 梅里蒂亚尼平原的化学表征使它看上去更像是内陆沙漠中短期存在的湖泊的沉积矿，或海岸上的盐带平地，而非长期存在的海洋中缓慢聚集的沉积物。
The differentiation and the amalgamation among the nations made the national culture more complex , inducing the national and religious conflicts which were of long history and hard to be resolved 这种民族文化错综复杂的状态，铸就了南斯拉夫根深蒂固、盘根错节的民族宗教冲突。由此，文明断层带构成南斯拉夫民族问题长期存在的内在文化根源。
The city is trying to increase the number of " blue sky days " or days with good air quality ahead of the beijing olympics , but an increasing number of cars , coupled with chronic coal burning , is making the task difficult 北京市正试图在奥运之前增加蓝天?亦即空气品质良好的天数，但车辆越来越多，加上长期存在的燃烧煤炭问题，让蓝天计画很难落实。
In view of theoretical mix which exists in long time , this paper analyses it from the angles of general constitutions and especial constitutions and then discusses the great theoretical significance of defining it definitively 鉴于长期存在的理论混淆，文章从一般构成要件与特别构成要件角度出发加以分析，进而探讨明确界定民事法律行为构成要件的重大理论意义。
