APPd

һ pd

̫ƽ܇W(wng) > ˹C(j) > ˹1.6B(yng)C(j)

˹1.6B(yng)C(j)

Ʒƣ

܇ͣ ˹

ٷr(ji) o(bo)r(ji)

܇ģDƬ

˹x}

ʾ

_

֮ܲ鿴܇ҵĺ܇тĻ؏(f)Ŷ

Ҫᆖ