[??] ??? ??? ???·??? ?? ‘?’…?? -2?

?2021??? ???????? ??? 3? ????? ???? ??? ??? ????.

?? ??????? ???(???19) ???? ?? ??? ???? ??? ??? ????? ??? ??? ??? ????.

???? ??(3?) ??? ?? ?????? ???? ???? ????? ??? 2? ????.

?? ????? -7~4?, ? ???? 3~12?? ????. ??? ?? ??? ?? ????? 1~3??? ? ?? ? ??.

??? ?? ?? ????? Δ?? -2? Δ?? -1? Δ?? -5? Δ?? 3? Δ?? -1? Δ?? 0? Δ?? 4? Δ?? 0? Δ?? 1? Δ?? 7??.

? ?? ????? Δ?? 4? Δ?? 3? Δ?? 5? Δ?? 10? Δ?? 7? Δ?? 9? Δ?? 11? Δ?? 7? Δ?? 8? Δ?? 11??.

??? ?? ??????? ??????? ??? ??? ??? ?????? ??? ?? ???? ??? ??? ?? ?? ???? ? ??? ‘??’～‘??’?? ????.

??? ??? ?? ??? 0.5~2.0m, ??? ?? ??? 0.5~1.5m? ????. ??? ?? ??? ?? ?? 2.5m, ?? ??? 3.0m? ????.

(??=??1)