GIF89aK!,Kڋ޼H0*4F:#i\JV7TiƤ=m^qӁ#Tb~gΆ>͠k΃WSgg(XfV))CeIXJ$87&)Sy҇֊9vJ56m\eǹO\v@V_F>ߑ9{)80+_x }!)Xo |y`^anaP! MathType001 P(GK 1 ,GK 2 =)=(L i -L 1 )/L e;