欧洲的经济学家们发现，欧元区的零售价每四到五个季度才变动一次。
The European economists found that retail prices change every four or five quarters.
文中从人口迁移、行政区的变动和海岛的地理环境等方面，对方言的分布特征与形成条件进行了分析研究。
Based on migration of population and change of administrative area and geographical environment of islands etc, the thesis analyzes the distribution characteristics and the shaping of dialect.
平卧褶皱若未经后来构造变动，其图面特征与水平地层区完全一样，除了褶皱转折端以外，只是一系列平行等高线的地质界线。
Without late tectonic deformation, the features of recumbent fold on the geological map would be the same as those of horizontal strata.
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