APPd

һ pd

̫ƽ܇W(wng) > ˹C(j) > ˹B(yng)C(j)

˹B(yng)C(j)

1 2 3 4 5 6 7 8 ...12

˹

Ʒƣ

܇ͣ ˹

ٷr(ji) o(w)(bo)r(ji)

܇ģDƬ

˹x}

ʾ

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֮ܲ鿴܇ҵĺ܇тĻ؏(f)Ŷ

Ҫᆖ(wn) ᆖ(wn)