[??] ?? ??? ???? ??…“??? ????”

????? 20?? ??? ??? ???? ?? ?????. ??? ????? ?????? ‘??’ ??? ?? ????.

???? ?? ??? ?? ???? ???? ???? ???? ??? ?? ?? ??? ????? ????.

?? ????? 7~16?, ? ????? 20~25?? ????? ??? ?? ???? 2~3??? ?? ??? ????.

??? ?? ????? Δ?? 12? Δ?? 13? Δ?? 10? Δ?? 12? Δ?? 10? Δ?? 11? Δ?? 15? Δ?? 11? Δ?? 12? Δ?? 16?, ? ????? Δ?? 22? Δ?? 20? Δ?? 21? Δ?? 23? Δ?? 22? Δ?? 23? Δ?? 24? Δ?? 23? Δ?? 24? Δ?? 22?? ????.

???? ?? ?? ????. ???????? ??? ??? ????? ??? ??????? ??·????? ??? ?? ??? ???? ??? ‘??’ ???, ?? ??? ‘??’ ??? ???? ???? ????? ‘??’ ???? ?????.

??? ??? ?? ????? 0.5m, ?? ????? 0.5~2m, ?? ????? 0.5~1.5m, ?? ????? ?? 0.5m, ?? ????? ?? 2.5m, ?? ????? ?? 2m? ???.