)) ( ), ( BLEU( ) 1 ( )) ( ), ( BLEU( ) , ( sim i i i t w s w t d s d t s λ λ − + = : ) ( ), ( : ) ( ), ( : : i t w s w i t d s d i t s ೖྗจ ൪ͷ༻ྫจ i ೖྗจͷߏจύλϯɺ ൪ͷ༻ྫจͷߏจύλϯ i ೖྗจͷ୯ޠύλϯɺ ൪ͷ༻ྫจͷ୯ޠύλϯ i ༻ྫจू߹ ͷ T ) , ( sim max arg ˆ i t s T ti t ∈ = ྨࣅ༻ྫจ t ˆ 10/