A special purpose computer separated from system, which is used for software development and offers the function of maintenance. 与系统分开的一台专用计算机,用它来进行软件开发,并具有维护系统的功能。
HSDTS is a special purpose computer that is used in the Variable-Shaped electron beam lithography system. 高速数据传送系统(HSDTS),相当于可变矩形电子束曝光机控制曝光用的专用计算机。