In AdHoc network, the pause of chain-lines is caused by the continuous change of wireless channel and the expanding of network, which leads to the loss of the data package.

自组织网络中无线信道的时变特性和网络拓扑的不断变化导致了链路的频繁断续，使得数据包大量丢失。

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Salinas, then 26, helped the chain recover by reducing the number of lines the stores carried and by catering to the lower middle class.

FORBES: The Salinas touch

Penney was a big sponsor of the Oscar ceremony, with six ads introducing new product lines and a one spot highlighting the history of the chain.

FORBES: The Oscar Goes To... J.C. Penney!

The supply chain has become slow and over-committed, and stores are cluttered with too many product lines.

ECONOMIST: Has Stuart Rose seen the future of retailing?