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3Â¥: Originally posted by hank612 at 2014-11-15 03:11:41
δ¶¨Ê½»¹ÊÇ¿ÉÒԱȽϵÄ, Çë¿´ÏÂÃæµÄÂÛÊö:

ÓÉÓÚf(x)>0, ËùÒÔ g(t)=sup_{0<x<t} f(x)Êǵ¥µ÷ÉÏÉýº¯Êý. ²»·ÁÉèx>1, (·ñÔò¿ÉÒÔ¿¼ÂÇ\frac{g(\frac{1}{x}t)}{g(t)}.). µ±x>1ʱ,Ã÷ÏÔ\frac{g(xt)}{g(t)}\g ...

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