在同行业中处于前端位置。

In the same industry in a front-end position.

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组件使用portlet作为CAI (Composite Application Infrastructure，位置的组件运行时)业务组件的前端。

The component USES a portlet as a front end for a CAI (Composite Application Infrastructure, the component runtime for places) business component.

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磁头浮动块与磁盘盘面发生多次碰撞，碰撞位置可能在浮动块尾端，也可能在浮动块的前端。

The head disk collision can take place many times, whose locations may be at the trail of the slider or the front.

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