A full count can provide information at the level of a single street, which even very large surveys could never do.
一次完整的计数可以提供小至一条街的信息,这是连许多大规模调查都无法媲美的。
A full count can provide information at the level of a single street, which even very large surveys could never do.
一次完整的计数可以提供小至一条街的信息,这是连许多大规模调查都无法媲美的。
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