??????-???02-??????MSA??????CSA
...?????????Metropolitan Statistical Area?MSA????????CSA?Combined Statistical Area??? ???????????????????????????...
https://www.zhihu.com/zvideo/1695030081708208128
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...1.?????Megalopolis?Metropolitan Area)????????????????????????????...
https://www.zhihu.com/question/50962870
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...These areas that combine retain their own designations as metropolitan or micropolitan statistical areas within the larger combined statistical area. The primary distinguishing factor between a CSA and an MSA/µSA is that the social and economic ties between the individual MSAs/µSAs within a CSA are at lower levels than between the counties ......
https://www.zhihu.com/question/28492253
???????San Francisco????????????? (Bay area)? - ??
...???????????????????????? ??????????Metropolitan Statistical Area?MSA?????????????????????MSA??????????????????????county ????300??MSA?????????????...
https://www.zhihu.com/question/51041839
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...?????????????????????????????????????? ????? ?????????????????????????? New York-Newark-Jersey City, NY-NJ-PA Metropolitan Statistical Area ?????????...
https://www.zhihu.com/question/274438371
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...????????????????????????MSA?Metropolitan Statistical Area?????? ????????15?MSA??????360?????15000????? ???????????????...
https://www.zhihu.com/question/26289744
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...San Francisco is the 12th-largest metropolitan statistical area in the United States with 4.7 million residents, and the fourth-largest by economic output, with a GDP of $592 billion in 2019. [21]...
https://www.zhihu.com/question/487480047
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...1980 ????????????????????????????????????????????????????PrimaryMetropolitan Statistical Area?PMSA??????????? PMSA ????????????????????Consolidated Metropolitan Statistical Area ......
https://www.zhihu.com/market/pub/119962846/manuscript/1283997948578775040
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https://www.zhihu.com/question/42175035
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https://www.zhihu.com/