To solve low channel utilization problem caused by long propagation delay in wireless networks, a fast reservation on-demand transmission (FRODT) medium access control (MAC) protocol is proposed.

为解决无线网络中长传播时延所带来的信道资源利用率低的问题，提出一种基于快速预约按需发送（FRODT）的媒质接入控制（MAC）协议。

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The tractor was resting against the crash barrier in the central reservation, having miraculously crossed the busy road with fast-flowing traffic.

拖拉机停靠在路中间预留地的防撞栏上，奇迹般地穿过了车流湍急的繁忙道路。

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Similarly, at Orbitz (ORBT), says a spokesperson, "there may be special circumstances when availability is changing so rapidly that the hotel's reservation system is not updated fast enough."

类似的，Orbitz的一位发言人说：“在特殊情况下，空房数变化过快，以致酒店的预订系统来不及更新。”

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