求翻译：Light of the current 600MW supercritical unit with flue gas damper based reheat steam temperature adjustment method, reheat steam temperature adjustment lag is relatively large, the characteristics of regulation accuracy is not high, with the Dabieshan Power Plant thermal control system transformation successful experience, describes a new reheat steam temperature regulation scheme, that is the main flue gas damper to the strong role of feed-forward signal (unit load demand), similar to the open-loop control of a closed-loop control way是什么意思？

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