对实验数据进行回归拟合，建立了磷酸料浆过滤速度的经验数学模型。
Regressing and fitting the experimental datum, the aim is to establish an empirical mathematical model for filtration rate of phosphoric acid slurry.
论述了化学工程中理论数学模型和经验数学模型的建立方法以及它们各自的特点。
The establishment of theoretical mathematicsl model and experimental mathematicsl model and their distinguishing characteristics are discussed.
然而，与过去的经验和数学模型一样，人们的情感也驱使保险金额的增加。
Sentiment drives insuranc premiums as much as mathematical models and past experience, however.
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