design key设计要点designn.设计；图样；图案；目的v.设计；计划design of mixture medium混料设计design of class teaching课堂教学设计design for advertisement广告图样design of system process系统流程设计Designed experimentation设计性实验design of fining station加油站设计Designing for appliances设计家电产品design of optical system光学系统设计design in modularization模块化设计design for mixture ratio配合比设计