... vacant hours 闲暇时 vacant channel 空余信道 vacant space 未用空间 ...
基于29个网页-相关网页
... vacant hours 闲暇时 vacant channel 空余通道 vacant space 未用空间 ...
基于1个网页-相关网页
technique for passing through vacant-channel 过空巷技术
·2,447,543篇论文数据，部分数据来源于NoteExpress
In other words, they could hop off an occupied channel and onto a vacant one before causing so much as a blip on television sets in the area.
ECONOMIST: Difference Engine
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