1·Nonattainment areas now must include the entire metropolitan area unless the state can show that some sub-area does not contribute significantly to the nonattainment problem.
现在的非达标区域必须包括整个都市区，除非这个州能够表明，某些分区并不存在严重的非达标问题。
2·Then regression of mathematical models is used to study the distribution of population and the evolution of spatial structure of Beijing Metropolitan Area.
继而，通过数学模型的回归研究北京都市区人口分布及空间结构的演化趋势。
3·Manitoba's capital and largest city, Winnipeg , is also Canada's eighth-largest Census Metropolitan Area , and has Canada's seventh-largest municipality.
马尼托巴省的首府和最大城市， 温尼伯，也是加拿大的第八大普查都市区，并已加拿大第七大市。
4·Formation also carries pressure water in parts of the Perth metropolitan area.
形成也携带高压水在珀斯都市区的部分。