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最佳答案：C 商务活动！ 本质是商务活动
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最佳答案：A wide range of e-business applications enable companies generated a lot of busi
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最佳答案：Simply Analyse the Security of Electronic Commerce电子商务安全技术浅析
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最佳答案：是英文吗?楼主没说.我就随便弄弄咯.Along with the Internet technology's development and the wides
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最佳答案：Mobile electronic Commerce (M - Commerce) is a new electronic Commerce developme
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最佳答案：Electronic commerce has the branch of broad sense and narrow sense.Electronic bu
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最佳答案：With modern science and technology and the rapid development of the strengthenin
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最佳答案：u 晓得
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最佳答案：The small and medium-sized enterprise development electronic commerce countermea
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最佳答案：A,B,CPKI的目的：通过自动管理密钥和证书，从技术上解决网上身份认证、信息的保密性、不可否认性、完整性等安全问题，为用户建立一个安全的网络环境。