?? ???? ??? ????? ??? ???(22·??)? ???? ???? ‘???? ????’? ??? ??? ??? 20? ??? ??A ????? ?? 4?? ????. ????? ??? ???? ?? ?? ??.
? ??? ? ????? ????? ??? ??? ???? ‘?2? ???’?? ????. ??? ???, ??, ?????, ??, ???? ???? ??? ??? ? ???? ?.
???? ? ?? ??A ????? ????? ?? 0.315(517?? 163??), 15??, 84??? ??? ??? ????.
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