coordinate paper,graph paper,logarithmic paper,layout paper,

Algorithm for the coordinate of indicator and signal;

警冲标信号机座标的通用算法

The Principle and design method of double coordinates machines tool digital display instrument adopting combination of digital display technique with computing technique are discussed in detail .

介绍以 80 31单片机为控制核心 ,采用数显技术和计算技术相结合的双座标感应同步器机床数显表的工作原理和硬件、软件的设