本文对美国和加拿大都市区的历史沿革、划分标准及原则、区划现状以及意义进行了详细介绍。

This paper provides a detailed introduction to the history, delineation standards, current state and functions of metropolitan areas in the United States and Canada.

youdao

本文对美国和加拿大都市区的历史沿革、划分标准及原则、区划现状以及意义进行了详细介绍。

This paper provides a detailed introduction to the history, delineation standards, current state and functions of metropolitan areas in the United States and Canada.

youdao