Control rods are used in a PWR typically to change the power level and also to shut down the reactor.

控制棒是在一个加压水冷却反应堆里使用的，用来改变能量的级别，也可以用来停止反应堆。

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The reactor power setback logic initiated at 2 percent power while reactor power was being raised from a lower power level in preparation for Heat Transport System (HTS) warm2up.

在反应堆从低功率级开始提升以准备热传输系统（HTS）升温的同时，反应堆功率慢速降逻辑于百分之二功率上启动。

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As one of key control systems in the nuclear reactor, the nuclear reactor power control system is complicated, and requires very high level of reliability.

功率控制系统是反应堆的一关键控制系统，系统复杂，可靠性要求高。

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