That's actually the same formula that we are using for cross products.
这和求外积的那个公式，其实是同一个公式。
When you find mothers coming back to the website to buy the wipes and the formula they need every week, there is a tremendous opportunity to up-sell and cross-sell other products.
当你发现妈妈们每周都回到店里来购买擦手巾和配方牛奶的时候，你就会有海量的机会对她们进行追加和交叉销售。
Take the first cross section as an example, and the calculation formula of flexural capacity of composite beams is obtained by using the error transfer formula of mathematical statistics.
运用数理统计学的误差传递公式，推导出了组合梁截面抗弯承载力统计参数的计算公式（以第一类截面为例）。
And base on the experiment, calculating formula of cross section mean velocity's reduction after planting and bed shears stress of vegetation dam block are established.
同时在试验的基础上，推导得植树后断面平均流速减小值和植物坝段床面剪应力的计算公式。
The recursive equation is derived from a cross - identity basal on a formula of matrix analysis .
递推方程是由基于矩阵分解公式的交叉等式导出的。
The paper proposed compute formula of digging pile panelling vertical cross section, introduced construction method and analysed economic benefit.
提出了挖孔桩护壁竖向截面积的计算公式，介绍了施工方法，分析了经济效益。
By introducing the adaptive cross and mutative probability formula into the system to improve the conventional cross and mutative genetic operation, the local search ability is enhanced.
通过引入自适应交叉和突变的概率公式到系统中，改进传统的交叉和突变的遗传操作，局部搜索能力得到增强。
The propagation formula of the cross-spectral density of partially coherent flattened Gaussian Beam(PCFGB) through ABCD optical system was derived using Huygens-Fresnel diffraction integral formula.
利用惠更斯-菲涅尔衍射积分公式导出了部分相干平顶高斯光束（PCFGB）通过ABCD光学系统的传输公式。
After the formula of documents are used to rewrite elements of Jacobian matrix, the vector cross product is changed into the vector dot product in Jacobian matrix.
利用现有的公式对雅可比矩阵中的元素进行改写，将矢量叉乘变为矢量点乘。
The author calibrates the point target of standard lambert slab and derives the theoretical formula of its lidar scattering cross section.
推导了点目标的激光雷达散射截面的理论公式，对标准朗伯平板点目标进行了定标。
The optimum formula is obtained by cross experiment.
应用正交法设计实验优化配方。
An electronic stopping cross section formula for heavy ions at low yelocity is obtained within the uniform free electron gass model and perturbation limit.
在均匀电子气模型和微扰极限成立的条件下，给出了低迷离子在固体中的电子阻止截面公式。
A new critical moment formula of tapered beam is proposed, which is similar to the expression for beams with uniform cross-section.
提出了新的变截面梁临界弯矩计算式，其表达形式与等截面梁的公式相同，便于工程应用。
This paper reports the production principle, formula, mixing technology, properties and characteristics of 611-oxidized cross -liked starch inner wall coating.
本文报道了611-氧化交联淀粉内墙涂料的研制原理、配方、工艺及其性能与特点。
Using the conception of equivalent cross-section, the formula of elastic carrying capacity at the larger end of the tapered member is suggested.
采用楔形构件等效截面特性的概念，结合我国规范推导出以大头截面为计算截面的受弯稳定性计算公式；
Based on the relationship between cross section variety and resistance of sample, a new formula was put forward to calculate the instantaneous corrosion rate of aluminum alloy.
针对铝合金腐蚀平均速率与瞬时速率的差异，根据腐蚀过程中试样横截面的变化与欧姆电阻的对应关系，建立了新的腐蚀速率计算方法。
In order to compute the optimal weights, the formula of computing the cross-covariance among local filtering errors is presented.
为了计算最优加权，提出了局部估计误差互协方差的计算公式。
In order to compute the optimal weighting matrices, the formula of computing the cross-covariance matrices among local filtering errors, is presented.
为了计算最优加权阵，提出了计算局部滤波误差互协方差阵的公式。
In order to compute the optimal weighting matrices, the formula of computing the cross-covariance matrix between local estimation errors is presented.
为了计算最优加权阵，提出了局部估计误差互协方差阵的计算公式。
To give the formula of cross-section capacity in eccentric compression, the theoretical model of composite member and judgment method of large or small eccentric compression have been brought forward.
目的确定组合构件的理论模型和大小偏心的判断方法，提出偏心受压正截面承载力公式。
Then we derive the computation formula for the cross-covariance matrix between any two local estimators.
然后，推导了任两个局部估计误差之间的互协方差阵的计算公式。
By using Eulerian Formula, the author obtains the factors, both factors of impeller and of casing, exerting influence on the theoretical pressure of cross flow blower.
应用欧拉定理，获得了影响理论压力的因素——既有叶轮的也有机壳的因素；
On the basis of these results and through calculation of the torsion moment on the cross section, a theoretical formula of the flexural center is derived for the cylinder.
基于上述结果并通过对横截面上扭矩的计算，导出了用于计算柱体弯曲中心的理论公式。
In this paper a general formula for calculating the laser waveshapes reflected from the targets is proposed on the basis of the idea on laser equivalent cross-section reflected from the targets.
本文根据激光的目标等效反射截面的概念，提出计算从目标反射回来的激光波形的一般公式。推导出从漫反射的平板、球和圆柱目标反射回来的激光波形的解析表达式。
The polyurethane cross-linking agent has a structural formula (I) and can be used for preparing aquagel.
采用本发明的聚氨酯预聚体作为交联剂，通过常规自由基 溶液聚合就可制得水凝胶。
WT5BZ Based on the relationship between cross section variety and resistance of sample, a new formula was put forward to calculate the instantaneous corrosion rate of aluminum alloy.
针对铝合金腐蚀平均速率与瞬时速率的差异，根据腐蚀过程中试样横截面的变化与欧姆电阻的对应关系，建立了新的腐蚀速率计算方法。
WT5BZ Based on the relationship between cross section variety and resistance of sample, a new formula was put forward to calculate the instantaneous corrosion rate of aluminum alloy.
针对铝合金腐蚀平均速率与瞬时速率的差异，根据腐蚀过程中试样横截面的变化与欧姆电阻的对应关系，建立了新的腐蚀速率计算方法。
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