Find the gradient. Find an approximation formula.
求梯度和近似公式。
The formula for computing the recommended spacing to obtain an even temperature gradient on the product being heated is shown in Figure 3.
为了得到加热产品的更合适的温度梯度，具体的计算间距的公式见图3。
The formula for computing the recommended Element spacing to obtain an even temperature gradient on the product being heated is shown in Figure 4.
通过间距计算公式得知加热产物温度梯度，具体详见图4。
The combined effect of uplift and denudation upon the temperature gradient can be obtained by formula (3.86).
抬升和剥蚀对温度梯度的联合效应可以根据公式(3.86)进行估定。
A study was made on maximum gradient of ferry trestle bridge for Yanda Railway. The principle of max. gradient computation is described and the formula for computation of maximum gradient is derived.
针对我国烟台至大连铁路轮渡建设中栈桥所应采取的最大坡度进行了研究，阐述最大坡度的计算原理并推导出最大坡度的计算公式。
The formula of characteristic coefficient for equivalent linearization is derived for two kinds of thermal gradient modes and general box girders with different depths of top and bottom flanges.
针对两种非线性温度梯度模式及具有不同顶、底板厚度的一般箱梁桥，推导了等效线性化后的特征参数计算公式。
By optimizing the objective function with the gradient method the iterative formula about the medium velocity is obtained.
对目标函数进行梯度优化，我们得出了介质速度的迭代公式。
The formula of the gradient vector of every performance function is derived, and the iterative and recurrence formulas of collapse probability of section are obtained.
由截面各类复合内力的极限状态建立截面破坏的各类功能函数，导出了各类功能函数的梯度向量计算公式，以及破坏概率计算的迭代、递推公式。
After simplifying the gradient vector formula THC quasi-gradient vector formula is inferred according to the feature of power systems.
并根据电力系统的特点对该公式进行了简化，得到准梯度向量公式。
The effect of pressure gradient was also discussed in this formula.
定量地分析了阻塞喷注中压力梯度对源强度和湍流噪声的影响。
The effect of pressure gradient was also discussed in this formula.
定量地分析了阻塞喷注中压力梯度对源强度和湍流噪声的影响。
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