To access the business services (lets say in the Spring layer), the AjaxBean can make use of service Locator pattern to interact with the business services.

为了访问业务服务(比如说在Spring层)，AjaxBean可以使用Service Locator模式与业务服务交互。

To consider the effect of bonding characteristics of the adhesives between the piezoelectric layer and the functionally graded ones, a linear spring layer model is adopted.

为了考虑中间压电层与上、下功能梯度层之间的粘结效果，采用线性弹簧模型以模拟界面性能。

Because of the cold temperatures, the tundra has two layers: top layer, which is called the active layer, is frozen in the winter and spring, but thaws in the summer.

由于寒冷的气温，冻土带有两层：最上面的一层被称为活动层，在冬季和春季被冻结，但在夏季解冻。

The sample application accesses the database through the service layer from both tiers to demonstrate how we use Spring in both of them.

该示例应用程序通过服务层从两个层访问数据库，以演示如何在这两个层中使用Spring。

Spring provides significant support for using the or mapping layer of your choice to create data-access applications.

Spring为使用选择的OR映射层来创建数据访问应用程序提供了支持。