逻辑结合 meaning in English

logical combination

One of the important things developers need to think about when working with data is how to incorporate validation and business rule logic
开发者在跟数据打交道时需要考虑的一个重要的事情就是如何将验证和业务逻辑结合起来。
Many web applications are built by using multiple tiers , with one or more components in the middle tier that combine data access together with business logic
许多web应用程序使用多个层构建而成，在中间层中有一个或多个组件，这些组件将数据访问与业务逻辑结合起来。