It requires districts to have the same population, so that their boundaries must be redrawn after every census (ie, once a decade).
这就要求每个选区做到人口数目一致，每次人口普查(十年一次)之后重新划分选区。
But plenty of other data get collected by the Census Bureau every year, and our trawl of what has been gathered over the past decade already reveals some seismic shifts.
从人口普查局每年搜集的其他方面的数据以及我们汇总的过去十年的数据来看，这十年我们确实经历了颠覆性的转变。
The Census of Marine Life is being co-ordinated in Washington DC by the Consortium for Ocean Leadership and has involved scientists in more than 80 countries working over the past decade.
过去十年里，世界80多个国家的科学家参加了此次海洋生物普查工作，美国海洋规划协会正在华盛顿特区整理普查数据。
The urban population shot up by 13.46 percent over the past decade, which means nearly half of Chinese people live in urban areas, the census stated.
普查显示，在过去十年里，城市人口扩大了13.46%，这意味着将近一半人口在城市里居住。
The 2010 census showed that population growth was even slower than expected, rising just 0.57% a year over the past decade.
2010年的人口普查表明，人口增长比预期还要慢，在过去10年每年仅增长了0.57%。
In the past decade, the ratio of girls to boys for children aged 6 and younger has plunged to 914 girls per 1, 000 boys. The ratio was 927 girls to 1, 000 boys in the previous census.
在过去十年中，六岁及以下的女孩数与同年龄段男孩数的比例，提高到了914：1000，而之前的人口统计数据中，该项比例是927：1000。
India added more than 181 million people to its swelling population in the past decade, growing to more than 1.21 billion people, according to census data released by officials Thursday...
周二，据官方发布的数据显示。在过去的十年中，印度本已日益膨胀的人口又增加了1.81亿，这使得印度总人口增加到了12.1亿。
Over the decade, census scientists have explored every ocean realm from near-shore waters to the abyssal plains-which cover a greater area of the Earth than all its land.
数十年来，科学家们探索了所有海洋领域，从近岸水体到深海平原——它们在地球上覆盖的面积比陆地总面积还大。
Census data released in March showed that Detroit's population has plunged by 25 percent over the last decade.
今年三月颁布的人口普查数据显示，过去十年来，底特律的人口快速下降了25%。
Census takers counting China's more than 1.3 billion people already face a daunting task, and it's getting harder for the latest once-a-decade update.
对中国超过13亿的人口进行普查的普查员们遇到了一个棘手的问题，而且在10年一次的最新人口普查中，这个问题更加让人头疼。
Roughly three-quarters of the US population growth that did occur over the past decade was due to immigrants, according to an analysis of census data by the Center for Immigration Studies.
按照由美国移民研究中心对于人口调查数据的分析，在过去十年中，大约四分之三的美国人口增长要归功于移民。
Rising property prices are driving the change, which is expected to be confirmed by China's once-a-decade census, because Chinese families must traditionally buy a flat for a son before he can marry.
房价的不断上涨推动了这种变化，因为按照中国的传统，父母必须在儿子婚前给他买房。预计十年一次的人口普查会证实这种变化。
Rising property prices are driving the change, which is expected to be confirmed by China's once-a-decade census, because Chinese families must traditionally buy a flat for a son before he can marry.
房价的不断上涨推动了这种变化，因为按照中国的传统，父母必须在儿子婚前给他买房。预计十年一次的人口普查会证实这种变化。
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