（2）对大多数人来说 ，晶体管的发明意味着袖珍收音机
。但对从事数据处理业务的人来说
，他的意义在于第二代计算机的开始。

(3) Significant innovations spurred by intense competition have resulted in enormous increases in computer performance and substantial reductions in price.This trend,established with the introduction of second-generation computers.continues today...

（3）由激烈的竞争所激励起来的重大发明已经导致计算机性能的巨大提升和价格的实质性下降 。今天，这一由第二代计算机的采用所确立起来的趋势还在继续……

(4) This advance has made computers with amazing speed and impressive capability commonplace.

（4）这一进展已使具有惊人速度和令人印象深刻的能力的计算机成为寻常的东西
。

(5) The result is that with a CAD/CAM system engineers and designers can view complex forms from various angles at the push of a utton instead of having to construct cost