The security of an electronic defrayal communications network system is the fundamental problem of implementing electronic business.

电子支付网络系统中的保密通信问题是实现安全电子交易的核心问题。

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The security of an electronic defrayal communications network system is the fundamental problem of implementing electronic business.

电子支付网络系统中的保密通信问题是实现安全电子交易的核心问题。

youdao