为了获得足够的带宽，雷达采用一种非规则频率调制的波形。
In order to obtain enough bandwidth, HF radars use an irregularly frequency modulated waveform.
在分组交换网络中，分组调度算法在交换机和路由器中决定着分组的服务规则，而接入允许控制算法则决定着带宽资源的预留和释放。
In the packet switching network, packet scheduling algorithms in the routers and switches decide how to serve packets, admission control algorithms decide bandwidth reservation and release.
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