世界上最小的集成电路钻头所有的东西都在变得越来越小。手机的尺寸几乎不比火柴盒大,而便携式摄像机小至两包烟盒的尺寸大小。当然是电子产品使得这些设备越来越小。但是电子产品不是一切,例如,在便携式摄像机中,还有大量机械装置用于驱动胶带、自动聚焦以及镜头盖自动打开等 Everything in the smallest integrated circuit drill in the world is getting smaller and smaller. The size of the phone is almost no bigger than a matchbox, and the size of the laptop is as small as two packs of cigarettes. Of course, electronics make these devices smaller and smaller. However, not all electronic products, for example, in the camcorder, there are a large number of mechanical devices used to drive the tape, auto focus and lens cap open automatically