conceptual phase

He chalked out a rough sketch of the design. conceptual phase

他绘制了设计草图。初步（草图）设计阶段

Chapter Four summarizes and analyses aseries of design principals in the conceptual phase of life-cycle architectural design;

第四章具体分析面向寿命周期设计初期应遵循的设计原则；

Therefore, the designers could analyze the wind load easily in bridge conceptual phase and short span bridges' design.

将风荷载简单化，以便在简单的设计或初步设计阶段计算桥梁风荷载。

A preliminary sketch of a design or picture. conceptual phase

一种设计或图画的草图。初步（草图）设计阶段

Methods of Predicting the Reliability of Missile in the Conceptual Phase

导弹武器预研阶段可靠性预计方法

Without his trust and confidence in the proposed approach, we would still stay at conceptual phase.

在建议的方法中，如果没有他的信任和信心，我们仍将停留在概念阶段。

It is impossible and costly to carry out detailed buffet analysis in the bridge conceptual phase and many short span bridge designs because the wind load on bridge is complicated.

桥梁风荷载很复杂，在桥梁初步设计阶段没有必要进行精确地抖振分析。