(j)_硱ǰԺLhίƽ죨18գʾ_Lκ푑ڡlκLɰҪ^m(x)yfƽtfҲSиõҲf
ƽǷκLһһֱýwPעĽc18ƽ挦ӛԃrHʾ㌦@κλؑ
ЬF(xin)ӛԃfӢϣƽκLƽؑvĆvӛֆ fܽ^ƽHfҲ㌦@κεĻؑxxP
ᘌF(xin)ڲlκLɰҪ^m(x)yfƽf@eиõ͡ӛeиõƽtؑҲSиõҲf
[؟ξ]
14.5fϽŭӢ
_;^