神经网络的训练采用一阶梯度优化算法，利用点堆中子动力学模型产生训练样本。
The first order gradient optimization algorithm is employed to train the network. The training samples stem from the neutron kinetics of the point-reactor.
利用防抱制动系统（ABS）液压实验台，进行了ABS压力梯度多种工况的实验测试，包括普通制动、长加长减制动和阶梯增压、减压制动等工况研究。
The pressure gradient of the anti-lock braking system (ABS) was experimentally studied using an ABS hydraulic test bench for various conditions including normal brake, on-off brake, and step brake.
预测了台阶梯度洗脱条件下待分离物质的保留体积。
The retention volume of targeted compounds was predicted in the step gradient elution conditions.
首先导出了拉普拉斯、二阶梯度方向导数和侧向曲率三者之间的关系式，指出由于侧向曲率的影响，拉普拉斯在检测弯曲边界时必然产生定位误差。
Our results show that the level crossing curvature can cause location error of the Laplacian, particularly when the edges with large curvatures and small gradients.
分数阶梯度算子的使用比采用整数阶梯度产生更可靠的结果。
The use of fractional-gradient operators yields more reliable results than when integer order gradients are employed.
基于非局部理论，将损伤变量作为非局部变量，它与局部损伤变量及其二阶梯度有关。
Based on non-local theory, the damage variable is non-local variable and is dependent on local damage variable and its second spatial gradient.
提出了一种新的基于HSV颜色信息和一阶梯度信息的阴影剪除算法，该算法运用双重准则检测阴影：准则一利用了HSV颜色空间与人观察彩色的方式十分接近的特性；
The algorithm uses double rules to detect shadows:Rule 1 makes use of the character of HSV color space which corresponds closely to the human perception of color;
提出了一种新的基于HSV颜色信息和一阶梯度信息的阴影剪除算法，该算法运用双重准则检测阴影：准则一利用了HSV颜色空间与人观察彩色的方式十分接近的特性；
The algorithm uses double rules to detect shadows:Rule 1 makes use of the character of HSV color space which corresponds closely to the human perception of color;
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