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引言 应力松弛函数可描述包括象果品和蔬菜等许多农产品的粘弹物料性质。以往的研究结果表明,这些农业物料的粘弹性质满足Maxwell模型,它的应力松弛函数Y(t)为指数形式
Introduction Stress relaxation functions describe the properties of viscoelastic materials that include many agricultural products, such as fruit and vegetables. Previous research results show that the viscoelastic properties of these agricultural materials satisfy the Maxwell model, and its stress relaxation function Y (t) is exponential