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6? ??????? ??? ?? ??? ????? ??? 7? ???(3? ??) ?? ????? ???(0%)? ?? 2? ?? ??(0%)?? ????.
?? ? ?? ????? ???(0.04%)?? 0.03% ??? 7? ?? ???? ????. △??(0.21%) △??(0.12%) △??(0.07%) ? ??? ??? ???. ?????? ??? ???(0.06)?? 0.05% ???, ??? ???(0.03%)?? 0.04% ???. ??? ????? ???(0.21%)?? 0.21% ???? ???? ?? ? ??? ???. ???? ?? “?? ???? ??? ?? ??? ????? ?? ??? ??,???? ???? ?? ??”??? ???.
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