采用数字水印日志技术。FSCA系统严格记录管理员的操作日志，并且。
In FSCA, all operations of managers are recorded in system log, and digital watermark technology is used to ensure authoritativeness, accountability, integrity of the log.
采用数字水印日志技术。FSCA系统严格记录管理员的操作日志，并且。
In FSCA, all operations of managers are recorded in system log, and digital watermark technology is used to ensure authoritativeness, accountability, integrity of the log.
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