GUI中组件组之间的关系通常很杂乱。
Groups of components in a GUI are often intricately related.
这一组件采用液压驱动的摆动网杆带动拖网,结构简单,动作可靠。
The component has simple structure and reliable motion by using hydraulically powered swinging townet rods to drive the townet.
所以,本书的大多数例子我们都使用EJB3组件。
So, in most examples throughout this book, we use EJB3 components.
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