您可以使用以下awk:

awk '!($1 in max) || $3 > max[$1] { max[$1] = $3; two[$1] = $2 }
END { PROCINFO["sorted_in"] = "@ind_num_asc"
   for (i in max) print i, two[i], max[i]
}' file

1 235 0.060
2 234 0.010
3 235 0.100