如果数据库是远程的，那么为了提高安全性，建议为远程数据库连接配置数据加密—也就是，启用data_encrypt配置参数。
If the database is remote, for improved security it is recommended to configure the remote database connection to use data encryption - that is, turn on the data_encrypt configuration parameter.
为提高无线公网下的数据传输安全性和经济性，应采用针对性的加密和压缩算法。
To improve the safety and economy of data transmission in wireless public network, the pertinent enciphering and compression algorithm should be adopted.
为全校的数据提供统一备份和恢复，提高了系统数据安全性。
The center provides united backup and recovery for all data in a university, improving the data security.
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