Zhè / jiā / gōng / chǎng / zài / èr / shí / jì / bā / shí / nián / dài / kāi / shǐ / shǐ / yòng / wēi / diàn / nǎo这家工厂在二十世纪八十年代开始使用微电脑。This factory began using microcomputers in the 1980s.