id	keyword
fbem-20478	logistics
fbem-20478	logistics industry
fbem-20478	development
fbem-20478	smart
fbem-20478	green
fbem-20478	development level
fbem-20478	logistics development
fbem-20478	coupling
fbem-20478	coordination
fbem-20478	degree
fbem-20478	indicator
fbem-20478	logistics system
fbem-20478	coordination degree
fbem-20478	chongqing
fbem-20478	quality
fbem-20478	quality development