这个词是什么意思？
Small, relatively permanent statistical subdivisions of a county or equivalent entity that are updated by local participants prior to each decennial census as part of the U. S. Census Bureau's Participant Statistical Areas Program.(https://www.census.gov/programs-surveys/geography/about/glossary.html#par_textimage_13)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000091368 · MeSH 2026。
Courtesy of the U.S. National Library of Medicine. Annual snapshot; later updates may not be reflected. NLM does not endorse this service.