Finally, the Governance and Risk Management layer in the middle represents the linking of the value and supply chains: the control mechanism.

最后，中间的“控制”和“风险管理”层作为联系价值和供应链的纽带：控制机制。

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Data is provided to the presentation layer in the form of domain objects or value objects.

数据以域对象或值对象的形式提供给表示层。

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The Business Logic Layer consists of the value providers that provide data to the Ajax-enabled controls (see Figure 5).

业务逻辑层包含值提供者，为支持 Ajax 的控件提供数据（请参见图 5）。

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Sharing, this common human activity, provides worthwhile insights into the interests and desires of those who are exchanging information and creates a new layer of value in the worlds of online publishing and advertising.

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The second layer of parameters are some of the more traditional value parameters.

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"This is a very thoughtful strategy by Google: Let's build ourselves into the value chain at a spot of vulnerability, which is the software layer, " says Virgin Mobile USA co-founder, Amol Sarva.

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