为精确地描述与模拟水库建成后长江干流的水质变化趋势，建立了二维随机水质模型。
The stochastic model is thus needed. To precisely describe and simulate the trend of w…
在此基础上，用绘制目标函数响应面的方法，分析水质监测数据中的随机噪声对水质模型参数最优估值的影响。
Based on these data the random errors' effects on the optimized parameters in the water quality model were analysed with response surfaces for objective function.
运用随机微分方程理论，推导了一个水质模型，提出了河流水质管理的随机规划方法。
This paper deduces a water quality model by using the theory of random differential equations, and proposes a stochastic method for water quality management at a river.
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