budget estimate of preliminary design
preliminary design
初步设计
初始设计
初设
方案设计
打样设计
热力设计
优化方法
初步评估
概要设计
preliminary design for soil and water conservation
Preliminary design of electron gun
preliminary design phase
preliminary design review
STRUCTURAL PRELIMINARY DESIGN
Architecture Design Scheme
architecture scheme design
Construction scheme design
Design scheme
设计方案
方案设计
方案探讨
加装方案设计
设计定型
设计力案
Design Scheme Evaluation
design scheme generation