这两种通讯作者和所有合作作者已签署形式同意由锺和29日发表的刘教授41文件收回。

Both these correspondence authors and all co-authors have signed forms agreeing to the retraction of 41 papers published by Dr Zhong and 29 by Professor Liu.

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这些条款的签署可以通过电子通讯手段。

Herein Terms can be signed by electronic means of communication.

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去年9月，它与叙利亚通信技术部签署了一项协议，帮助该国建设通讯网络。

In September, it signed a deal with Syria's communications and Technology Ministry to help the country develop its communications networks.

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