短語詞組短語problem reduction representation 問題歸約表示problem of representation [計]表示的問題;翻譯physics problem representation 物理問題表征problem representation type 問題表征方式mathematical problem representation 數(shù)學(xué)問題表征problem representation strategy 問題表征策略state of problem representation 問題表征狀態(tài)problem oriented knowledge representation 問題的知識表示problem representation level 問題表征層次 返回 problem representation