英语长难句翻译学习(16)

48. This development--and its strong implication for US politics and economy in years ahead--has enthroned the South as America"s most densely populated region for the first time in the history of the nation"s head counting.
[参考译文] 这种发展--以及其对美国政治、经济在未来几年的潜在的强有力的影 响一一使得南部在全国人口普查中有史以来首次成为美国人口最密集 的地区。
49. Often they choose--and still are choosing--somewhat colder climates such as Oregon, Idaho and Alaska in order to escape smog.crime and other plagues of urbanization in the Golden State.
[参考译文] 他们常常选择--现在依然这样选择--居住在那些气候较为寒冷的地 区， 比如俄勒冈、爱达荷，还有阿拉斯加，为的是逃避烟雾、犯罪， 以及"金州"(加利福尼亚)城市化进程中的其他问题。
50. As a result, California"s growth rate dropped during the 1970"s, to 18.5 percent--little more than two thirds the 1960"s growth figure and considerably below that of other Western states.
[参考译文] 结果，加利福尼亚的人口增长率在20世纪70年代时下降到了18．5％一 一稍高于60年代增长率的三分之二，大大低于西部其他各州。
51. Unlike most of the world"s volcanoes, they are not always found at the boundaries of the great drifting plates that make up the earth"s surface; on the contrary, many of them lie deep in the interior of a plate.