人口推算分布具参考价值，有助地区层面的城市规划及未来资源分配。
Projections of population distribution could be of useful reference in urban planning, which would support effective resource allocation at local levels in future.
每个月人口调查局会代表劳工调查局对6万户家庭进行住户调查，然后将推算结果用于整个美国人口。
Each month the Census Bureau on behalf of the Bureau of Labour Statistics surveys 60,000 households, then extrapolates the results to the entire American population.
每个月人口调查局会代表劳工调查局对6万户家庭进行住户调查，然后将推算结果用于整个美国人口。
Each month the Census Bureau on behalf of the Bureau of Labour Statistics surveys 60, 000 households, then extrapolates the results to the entire American population.
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