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Progress in quantum network
中國建星地量子通信網
Chinese scientists have created the world's first integrated space-to-ground quantum network that can provide reliable, ultrasecure communication between more than 150 users over a total distance of 4,600 kilometers across the country, according to a study published in the journal Nature on Jan 7.
中國科研團隊成功構建出全球首個星地量子通信網，可為用户提供可靠的、“原理上無條件安全”的通信。整個網絡總距離4600公里，目前已接入150多家用户。該成果已於1月7日在英國《自然》雜誌上刊發。
Led by Pan Jianwei from the University of Science and Technology of China, the research was conducted by a group of scientists over the past few years.
在中國科學技術大學潘建偉的帶領下，科學家們為此進行了數年研究。
Reviewers of the study hailed the achievement as "impressive" and "futuristic", as it is the largest of its kind in the world. It also represents a major step toward building a practical, large-scale quantum internet, they added.
《自然》雜誌審稿人評價稱，這是地球上最大的量子密鑰分發網絡，這一成就“令人驚歎”且“具有前瞻性”，也代表着科學家朝着構建實用性廣域量子通信網絡邁出了重要一步。
In the quantum network, several services such as video call, audio call, fax, text transmission and file transmission have been realized for technological verification and real-world demonstrations, the paper noted, adding commercial use is expected in the near future.
研究人員在論文中指出，在量子通信網絡領域，視頻通話、音頻通話、傳真、文本傳輸和文件傳輸等多項服務已實現技術驗證和實用展示，預計不久將用於商業用途。
