两个脉冲周期之间的停顿时间， 称为循环间隔。

Pause time between the two pulse cycles is call as cycle interval.

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用脉冲示踪法对二维三相循环流化床液体停留时间分布(rtd)进行了测定。

Pulse tracer method was used to measure the residence time distribution (RTD) in Two-dimensional Three-phase circulating fluidized bed.

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