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[?????] 「????」 ???? ???? ??? 97??????? 1??? ??? ???. ???? 1? ????????? ??? ?? ?? ??1? B? ?????? ??? ??? ?? ???? ???? 3?1(8―15, 15―6, 15―8, 15―12)? ?????. ???? ???? 8?15? ????? ?????? ???(2m) ???(1m98) ???(2m5) ???(2m2) ? ?????? ???, 15?6?? ??? ?? ??? ???.