尽管大部分硬件技术公司都会给他们的产品提供相关的适配和保护部件，但同时他们还依赖于第三方公司去设计生产各种类似部件。
Although most hardware technology companies offer protective gear and cases for their gadgets, they also rely on third-party companies to create and design a variety of products.
第 3 部分将介绍如何使用第三方小部件扩展 ECM 小部件。
Part 3 will describe how to expand ECM widgets using third-party widgets.
每个小部件都可提供进行内部通信或与第三方小部件通信的事件接口。
Each widget provides an events interface to communicate internally or with third-party widgets.
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