residence time distributions (RTD) curve的用法和样例：
例句
- A residence time distribution mathematic model by continuous-time Markov chain was built up.
将连续时间马尔科夫链与多级全混流串联模型结合建立停留时间分布数学模型。 - A multistage operation greatly narrows the residence time distribution and cut down this bypassing.
多层操作可使停留时间分布大大地变窄，并截断短路。
