Integration in SOA is achieved at the service components layer, with the primary concept or tool being an ESB, as shown in Figure 7.

SOA中的集成在服务组件层实现，主要概念或工具是ESB，如图7所示。

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The primary concept of quality assurance system of MDE involves offering optimized modern distance education service on the premise of exercising present education resource.

现代远程教育质量保证的基本理念是在运用既定教育资源的前提下，提供最优化的现代远程教育服务；

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The two primary reasons for miscommunications between counsel and client are the concept of legal relevance and corporate decisions to keep trial counsel in the dark about settlement strategy.

FORBES: Relevance and Strategy

The concept in question is quite simple: a primary LCD would be visible at all times, and when the occasion called for another panel or two, they'd simply slide into view, ready to serve as a number pad, or settings control, predictive text display, or even a full-fledged split keyboard.

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