基于多一下跳路由机制，提出一种区分排队的多个可选端口输出交换结构以及双指针最大权重优先调度算法。

Based on multi-hop routing mechanism, proposes a multi-output Switching fabric and dual-pointer maximum-weight-first scheduling algorithm.

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为了有助于互动，QB有一个激光指针，双高清晰度的摄像头，3.5英寸触摸屏和扬声器。

To help interact, QB has a laser pointer, twin high-resolution cameras, a 3.5-in. touch screen, and speakers.

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将鼠标移动到任务栏顶端，使鼠标指针变化为上下双箭头状。

Move your mouse to the top of the taskbar so your mouse cursor changes to an up/down double-arrow.

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