设计服务允许将模型分级进行设计，包括使用服务组件为流程确定属性的能力。

Design services enable models to be staged into design, and include the ability to attribute the process with service components.

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在最初项目的开始阶段，关键的属性被制定好。基于这些关键属性，设计师为新车制作第一个比例模型。

At the start of the initial project phase, the critical attributes are laid down. Based on these, the designers then produce the first proportional models for the new vehicle.

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功能模块模型抽象出可穿戴计算机模块的共性——属性集合和关系集合，给出一般化的设计原则和方法。

The function modules model abstract the common properties of wearable computer hardware modules - properties set and relationships set, providing the general design principles and method.

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