a) 链路静止（Link Dead），用户PC机与ISP的路由器之间不存在物理层的连接。
基于12个网页-相关网页
... 链接失效 link failure 链接失败 link dead 链接子程式库 chained sublibraries ...
Link Dead Phase 链路不可用阶段
dead link 死链接 ; 死链
·2,447,543篇论文数据，部分数据来源于NoteExpress
The source link below is still dead as of right now, but it simply can't be long before the lights are officially turned on.
ENGADGET: Google Drive official: 5GB of free storage, Chrome web apps, Wave-like sharing and editing (video)
The link appeared to be dead or defected, said Othman.
CNN: Computer spyware is newest weapon in Syrian conflict
None go directly to Amazon, but some take shoppers to a dead page that offers up a link to Amazon for that product.
FORBES: Hey Walmart: Instead Of Kicking Out Kindle, Stop Running Ads For The Competition
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