The English word "reductionism" (noun) refers to the belief that complicated things can be explained by considering them as a combination of simple parts, often with a formal or disapproving connotation. It is translated as "简化论;简单化理论;还原论".
re·duc·tion·ism/rɪˈdʌkʃənɪzəm; NAmErɪˈdʌkʃənɪzəm/noun[uncountable ]( formal,often disapproving) the belief that complicated things can be explained by considering them as a combination of simple parts 简化论;简单化理论;还原论▶re·duc·tion·ist/rɪˈdʌkʃənɪst; NAmErɪˈdʌkʃənɪst/adjective,nounreductionistreductionistsre·duc·tion·ism/rɪˈdʌkʃənɪzəm; NAmErɪˈdʌkʃənɪzəm/re·duc·tion·ist/rɪˈdʌkʃənɪst; NAmErɪˈdʌkʃənɪst/