We can find an analogy in what happened in the hardware world : at one point there was a similar wave of new technology , with the introduction of cad computer - aided design systems 我們能夠在硬件的世界發(fā)現(xiàn)類似發(fā)生的事情:在引入cad (計算機輔助設(shè)計)的情況下,新技術(shù)將引起類似的波動。