说明:plot(rep(1,10),ylim=c(-2,1.2),pch=1:10,cex=3,axes=F,xlab="",ylab="")
text(rep(0.6,10),as.character(1:10))
points(rep(0,10),pch=11:20,cex=3)
text(rep(-0.4,10),as.character(11:20))
points(rep(-0.8,5),pch=21:25,cex=3)
text(rep(-1.2,5),as.character(
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