求助大佬们教教我

可以

可以的

twoway kdensity finc_20 [aw=fswt_20] if finc_20<=300000, bw(10000) lp(solid) color(black) || kdensity finc_18 [aw=fswt_18] if finc_18<=300000, bw(10000) lp(longdash) color(black) || kdensity finc_16 [aw=fswt_16] if finc_16<=300000, bw(10000) lp(longdash_dot) color(black) || kdensity finc_14 [aw=fswt_14] if finc_14<=300000, bw(10000) lp(dash) color(black) || kdensity finc_12 [aw=fswt_12] if finc_12<=300000, bw(10000) lp(shortdash) color(black) || kdensity finc_10 [aw=fswt_10] if finc_10<=300000, bw(10000) lp(dash_dot) color(black) xlabel(0(50000)300000) ylabel(0.0(0.00001)0.00002) legend(label(1 "2020")label(2 "2018")label(3 "2016")label(4 "2014")label(5 "2012")label(6 "2010")row(2)) xtitle(家庭收入（元）) ytitle(核密度) graphregion(fcolor(white) lcolor(white))
b站一个up的，aw＝wfst是加权