初步设计 [科技] preliminary design ; proposal plan ; initial planning

初步设计评审 PDR ; preliminary design review

初步设计阶段 concept phase ; preliminary design phase ; primary design stage ; initial design state

结构初步布置设计 SPLStructure Preliminary Layout

扩大初步设计 enlarged preliminary design ; expanded preliminary design ; enlargement preliminary design

初步设计文档 Preliminary Design Documentation ; PDD ; Preliminary Design Document

初步设计的模型 maquette

扩大初步设计书 ENLARGED PRELIMINARY DESIGN REVIEW

中国初步设计包 chinese preliminary design package

初步设计文件 Preliminary Design Document