迈向服务定位器设计、摆脱单件血统的第一个组件是不依赖于其它单件、但被其它单件依赖的组件。

The first component to move towards the service locator design, and away from its singleton origins, is the one that depends on no other singletons, yet may be depended by other singletons.

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首先分析了零组件的一般参数化设计的常见方法，针对存在的定位关系复杂组件，提出了一种基于装配关系的参数化设计方法。

According to the complex mechanical parts with multiple position relations, we proposed a method of parametric design based on assembly constraint relations.

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从指定工具创建组件或控件，并将其添至当前设计文档中的指定位置。

Creates a component or control from the specified tool and adds it to the current design document at the specified location.

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