在电力继电保护系统中，继电保护设备给出的异常状态信息报文通常可分为两类：事故信息报文和预告信息报文。
In the system of relay protection of electric power, abnormal state information given by relay protection devices has two types: accident information message and warning information message.
当STATCOM装置处于异常、紧急及故障等不同状态时，保护系统应采取不同的保护措施。
When STATCOM is in abnormal, emergent and faulty states, different measures should be taken to protect it.
该机制使浏览器端与服务器端进行实时交互，从而达到考场保护，进而将考场恢复至异常发生前状态的目的。
This method makes it possible for a browser real-time interacting with a server, so that the answer could be reserved automatically and then recovered from an accident.
该机制使浏览器端与服务器端进行实时交互，从而达到考场保护，进而将考场恢复至异常发生前状态的目的。
This method makes it possible for a browser real-time interacting with a server, so that the answer could be reserved automatically and then recovered from an accident.
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