目录如下，矢量数据集：

flowmov2015003simplified.cpg

flowmov2015003simplified.dbf

flowmov2015003simplified.prj

flowmov2015003simplified.qmd

flowmov2015003simplified.shp

flowmov2015003simplified.shx

flow2010.cpg

flow2010.dbf

flow2010.prj

flow2010.qmd

flow2010.shp

flow2010.shx

Mouv2010(4,300).cpg

Mouv2010(4,300).dbf

Mouv2010(4,300).prj

Mouv2010(4,300).qmd

Mouv2010(4,300).shp

Mouv2010(4,300).shx

Mouv_2015.cpg

Mouv_2015.dbf

Mouv_2015.prj

Mouv_2015.qmd

Mouv_2015.shp

Mouv_2015.shx

mov2020_19_18.cpg

mov2020_19_18.dbf

mov2020_19_18.prj

mov2020_19_18.qmd

mov2020_19_18.shp

mov2020_19_18.shx

TRAFFICFLOW2020merge.cpg

TRAFFICFLOW2020merge.dbf

TRAFFICFLOW2020merge.prj

TRAFFICFLOW2020merge.qmd

TRAFFICFLOW2020merge.shp

TRAFFICFLOW2020merge.shx