一、一般介绍:1320机系脱机的滚筒式计算机外围设备之一,输出曲线图形。绘图机20型能以较高的精度,较快的速度把数字表示的数转换成图形。为了给用户像绘图板一样的灵活性,提供了三个书写仪器,即写头,园珠笔(或沫水),人造纤维板(或描图纸或白纸),能以三种不同颜色、不同粗细的笔进行自动绘 First, the general introduction: 1320 machine off-line one of the drum computer peripherals, the output curve graphics. The Plotter 20 can convert digital representation numbers into graphics with higher accuracy and faster speed. In order to give the user the same flexibility as a drawing board, three writing instruments are provided, namely a writing head, a ballpoint pen (or foam), a rayon board (or tracing paper or white paper), in three different colors, different Thick pen automatically painted