扰动因子向量的方向与材料单元体应力主方向相同。
The orientation of disturbance factor vector is the same as that of vector of material unit stress.
推导了以顺波、逆波为状态向量的应力波传播方程和杆形部件的作用力、速度传播的特征矩阵；
Stress wave propagation equations that incident wave and reflection wave are condition vectors are derived from three discrete forms as well as the characteristic matrix of the force and the velocity.
首先采用双支持向量机（SVM）的方法将实时应力信息与机内测试诊断结果相互关联。
A support vector machine (SVM) model is used to correlate the false alarm of BIT to time stress information.
在该模型中，等效应变、等效应变速率和变形温度是模型的输入向量，输出向量是材料的流动应力。
True strain, strain rates and temperatures were input parameters of the model, while flow stress was the only output parameter.
在该模型中，等效应变、等效应变速率和变形温度是模型的输入向量，输出向量是材料的流动应力。
True strain, strain rates and temperatures were input parameters of the model, while flow stress was the only output parameter.
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