If this person is also the user (unusual but not uncommon in corporate environments), the password doesn't offer any protection.
如果这个人也是用户(这在公司环境中不常见，但是也不罕见)，那么密码提供不了任何保护。
Unusual sampling data will cause incorrect action of microprocessor-based protection, which needs some reasonable countermeasures.
采样数据异常可能会导致微机保护的不正确动作，需要采取恰当的应对措施。
Stops the protection anxiously: in the bitter experience arises suddenly in the unusual circumstance (for example automatic rise or drop and so on) shuts off the master control return route.
急停保护：在遭遇突发异常情况下(如自动上升或下降等)切断主控回路。
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