Funding for this research was provided by:
national natural science foundation of china (41874029)
Scientific Research Project of Beijing Educational Committee (KM202010016009)
Beijing Key Laboratory of Urban Spatial Information Engineering (20210212)
Article History
Received: 29 June 2021
Revised: 21 November 2021
Accepted: 28 November 2021
First Online: 16 December 2021