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英國(guó)的一本體育雜志-世界足球. 主要從事世界足球運(yùn)動(dòng)的宣傳.
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This plan strengthened the E - mail security because both addressor and addressee have Non - repudiation.
該方案具有發(fā)信人、收信人雙方不可否認(rèn)性,增強(qiáng)了 電子郵件 的安全性.
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