the vanguard of the working class

23. 生產(chǎn)力、生產(chǎn)關(guān)系、經(jīng)濟(jì)基礎(chǔ)、上層建筑

productive force, relation of production, economic base, superstructure constitute

24. 科學(xué)技術(shù)是第一生產(chǎn)力

science and technology are the primary productive force

25. 社會(huì)主義物質(zhì)文明和精神文明

material and spiritual civilizations of socialism

26. 有理想、有道德、有文化、有紀(jì)律的公民

citizens with lofty ideals, moral integrity, better education and good sense of discipline