Objective Toanalyze the trend of population quantity and the type of population structure in Shanxi.

目的分析山西省人口数量、结构类型变化趋势。

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This type of "late retirement" is more frequent now as population growth in the United States slows down, and the average age of the citizens increases.

由于美国的人口增长越来越慢，而国民的平均年龄越来越高，这种“晚退休”的情况现在更加普遍。

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A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.

极环星系是种稀有的星系类型，它们有着几乎和银盘平面垂直，呈环形公转的大量的恒星、气体和星尘。

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Community profiles of smaller population groups of the type so commonly released now by the Census Bureau with data from the American Community Survey were not published from the 1940 Census during days of World War II.

CNN: Why the huge interest in the 1940 Census?

In other words, today about 13% of the U.S. population provides some type of unpaid family caregiving.

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In the United States today, more than 87% of the U. S. population already uses some type of wireless device and there are more than 5 billion devices in use worldwide.

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