x And, so if we want partial z over partial x, well, so one way is just to say that's going to be the coefficient of dx in here or just to write down the other way.
如果想知道∂z/∂,一种观点认为，它是这里dx前面的系数,或者从别的观点来看。
Based on the screw theory, the first-order effect coefficient matrixes of a 3-upu parallel pyramid mechanism under initial position and movement along X-coordinate axis are established.
采用螺旋理论，首先分别建立了3 -UPU并联角台机构在初始位形下和沿x轴方向发生移动后的一阶影响系数矩阵。
Compared with iodine, Gold has a larger atomic number and X-ray absorption coefficient.
金与碘相比，有着更高的原子序数和X射线吸收系数。
The dimension of Scoring matrixes X is descended by using scoring rate or passing rate or coefficient of correlation or guess rate when estimating those item parameters.
在对这些参数进行估计时，将得分矩阵分别采用得分率、通过率、相关系数、猜测率进行降维处理。
In situ magnetization X-ray powder diffraction method is firstly applied to measure magnetostriction coefficient of reduction iron powder.
首次报导X射线粉末衍射法测量铁粉晶胞的磁致伸缩系数。
Substituting X into the coefficient equation system of molecular orbits the coefficients of the molecular orbits can be easily obtained.
将X之值代入轨道系数方程组并求解，即可得到分子轨道系数。
Objective To analyze the coefficient of variation(CV) by measurements of bone mineral density with the dual-energy X-ray absorptiometer(DXA, Prodigy).
目的分析骨密度仪测量骨密度的变异系数。
It is difficult to calibrate an X-probe, since the directional coefficient is coupled into the calibration curve.
对于X型探头，热线的方向系数耦合在校准曲线里，这给热线校准带来一定的困难。
The Y-X correlation coefficient of a high order non - linear equation through mutation was higher than that of a simple linear equation by about 5 percent.
用权重方程产生的突变的高阶非线性预报方程，其y与X的相关系数比1阶线性方程提高5%左右。
The research of measuring technique of the continuous X-ray absorption coefficient;
系统地研究了绿光吸收系数对于生长气氛和源棒浓度的依赖关系。
The research of measuring technique of the continuous X-ray absorption coefficient;
系统地研究了绿光吸收系数对于生长气氛和源棒浓度的依赖关系。
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