层次式版图设计
Hierarchical layout design
程序设计师阶层式交互图形系统
programmer`s hierarchical interactive graphics system
积木块式版图设计
Building-Block Layout(BBL
Building-block layout
交互式绘图网络设计员
GRINDER GRaphical Interactive Network DEsigneR
3维草图设计
Three-dimension sketch design
PLC梯形图设计
design of PLC ladder diagram