我们不是正开始发现没有哪个数字化的数据库是安全的？
Aren't we beginning to discover that no digital databases are secure?
数据加密和数字签名是解决网格安全问题的关键技术。
Data encrypting and data underwrite are key technique of solving the problem of network security.
数据加密和数字签名是解决网格安全问题的关键技术。
Data encrypting and data underwrite are key technique of solving the problem of network security.
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