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。
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。
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