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              SFLAmý,\߇̎m߅LȡQBӵLܻܼ


              䓵Ę˜߅L:a=b=20,25,30,35,40,45,50;


              ˜ʺ:t=3,4,5;ߴɸҪӆ


              SFLCٲʽm(TDC),SFLD鹲巨m(TDF),ɷNmͨBLܻܼ-


              ڷm

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