The main goal of Compass, as stated before, is to simplify the integration of Search into any type of application, and this brief article covers the basics of how it can be done.
Compass的主要目标，像刚才提到的，是简化集成搜索到任何类型的应用程序中，这篇文章只是介绍了怎么使用的基本信息。
One of Compass main features is the ability to have declarative mapping from within the application model into the search engine.
Compass的主要功能之一就是从应用程序模型到搜索引擎的声明式映射。
Easy upgrade from Compass 1.2 — the main API has remained the same, with configuration tweaks and minor API changes being documented in the upgrade notes.
Compass 1.2升级简易——主要的API仍然保持不变，有所更改的是一些配置和微小的API方面的修改，相关的升级文档(upgrade notes)覆盖了这些变化。
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