Cnt abbr. 計(jì)算機(jī)網(wǎng)絡(luò)技術(shù)(Computer Network Technology);對(duì)比度(contrast);碳納米管(carbon nanotube);記數(shù)(count);天體導(dǎo)航訓(xùn)練設(shè)備(Celestial Navigation Trainer)