∞≠ 1 10 U U ∞≠ 2 20 U U .mnmo* ??????????????+ ?+ + + = ?t t e R R R C C C R R R U u 2 1 1 2 1 2 2 1 1 1 ??????????????+ ?+ + + = ?t t e R R R C C C R R R U u 2 1 2 2 1 1 2 1 2 2 2 1 2 1 2 1 ) ( R R R R C C + + = t Tbpq PDF !"# "pdfFactory" $#%&'(*_bcL B* 1 1 C R i i i + = 2 2 C R i i i + = W a g t i I e R R R R C C C R C R U R R U dt du C R u i + = + + ?+ + = + = ?t 2 1 2 1 2 1 1 1 2 2 2 1 ) ( ) ( ) ( 2 2 1 1 1 1 PDF !"# "pdfFactory" $#%&'(*#; t B*8@AB; 2 1 R R U I g + = t t a e R R R R C C C R C R U i ?+ + ?= 2 1 2 1 2 1 1 1 2 2 ) ( ) ( ) ( 2 2 =>B* uvwx ↓ 2 1,R R ,↓ t ai y PDF !"# "pdfFactory" $#%&'(*. $% <* MNSB.T5zL <S{ p*=>Buvh|}5zLs# <~; =>?* 60 15 15 60 15 60 1 / / I I I U I U R R K = = = E*q* min 1 min 10 2 R R K= K 1>1SK 1~ !S"#=>R` $%S$%L7H & PDF !"# "pdfFactory" $#%&'(+*