pre·fec·ture /ˈpriˌfɛkʧɚ/
  任期,管區,縣
  Pre·fec·ture n.  The office, position, or jurisdiction of a prefect; also, his official residence.
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  prefecture
       n 1: the district administered by a prefect (as in France or
            Japan or the Roman Empire)
       2: the office of prefect