收集一份良好、长的字段清单，然后继续下一阶段，概念模式，在其中定义系统的概念。
Collect a good, long list of the fields, and then proceed to the next phase, the conceptual schema, in which you define the concepts of the system.
对模型进行定义是概念阶段和实现阶段之间的必要中间步骤。
Defining this model is the necessary intermediary step between the concept stage and implementation stage.
在最初的需求定义阶段，我们可以随意地将注意力集中在“绘图点”，这样让我们能够顺利地探索各种可能的设计概念。
In the initial requirements definition phase we are free to focus only on the "plot points," allowing us to be fluid as we explore design concepts.
在飞机设计各阶段中，任务定义阶段、概念设计阶段和初步设计阶段的综合优化设计对提高飞机整体性能具有极其重要的意义。
In mission definition stage, conceptual design phase and preliminary design phase, multidisciplinary optimization is especially significant for improving integration performance of aircraft.
在棋盘设计中，给出了一个棋盘的构造模型，提出了棋盘分区的概念和游戏运行阶段的定义。
In the game board design, a structure model of the board is given and the board divisional concept and the definition of game phase are brought forward.
文章给出了产品原型的定义和分类，指出了在概念设计阶段计算机上关于产品的可视化形象是产品虚拟原型。
The paper gives definition and sort of product prototype, and points out that visual behavior of product in computer is product visualization prototype during the process of conceptual design.
文章给出了产品原型的定义和分类，指出了在概念设计阶段计算机上关于产品的可视化形象是产品虚拟原型。
The paper gives definition and sort of product prototype, and points out that visual behavior of product in computer is product visualization prototype during the process of conceptual design.
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