The other is structuring uncertainties, such as parameter uncertain system model, etc.
其二是结构化不确定性，比如系统模型由若干参数矩阵确定的情形等。
To make the model describe oscillation observed in experiment better, parameter identification problem is introduced to solve the uncertain parameters.
为使修改后的模型能描述实验中的数据，建立了参数辨识问题。
There are some uncertain information such as model, parameter and measuring in machining process.
加工过程存在着模型、参数和测量等不确定性信息，它们具有随机性、模糊性或复合不确定性。
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