开学: foundation of a University or College, school opening, the start of a new term...
宽阔: expansive, wide, width, thickness...
则: (conjunction used to express contrast with a previous clause) but, then, standard, norm, principle, to imitate, to follow, classifier for written items...
计算机: computer, (Tw) calculator...
传输: to transmit, transmission...
要领: main aspects, essentials, gist...