APPd

һ pd

̫ƽ܇W(wng) > ˹I(y) > ˹1.6bI(y)

˹1.6bI(y)

˹

Ʒƣ

܇ͣ ˹

ٷr or

܇ģDƬ

˹x}

ʾ

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֮ܲ鿴܇ҵĺ܇тĻ؏(f)Ŷ

Ҫᆖ
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