它可以提供在同一区域,时间和频段高出小学和CR用户共存的频谱效率。
It can provide higher spectrum efficiency by coexistence of primary and CR users at the same region, time, and spectrum band.
同一气泡上下游界面振荡具有相同特征频率(频段)。
The upper and lower caps of one elongated bubble oscillated at the same characteristic frequency (band).
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