Bayanin cewa ilimin kimiyya na iya amfani da shi ga kayayyakin al'adu ya bunkasa ta hanyar Rasha a farkon shekarun karni na 20, kuma masu bincike daban-daban sun dawo da su a cikin Littattafan Halitta. Yanzu an yi amfani da shi a fassarar wallafe-wallafe. Wani ɓangare na wannan aikace-aikacen shine ka'idar polysystems (Even-Zohar 1990) wanda aka fassara fassarar wallafe-wallafe a matsayin tsarin tsarin karɓar ko tsarin wallafe-wallafe. Gideon Toury ya kafa ka'idarsa akan buƙatar yin la'akari da fassarar "gaskiyar al'adun manufa" don dalilan bincike.
ka'idar polysystems