系数

Firstly, the coefficient matrix is put into Excel so as to see the possible solution to the linear equation groups; then the reciprocal matrix of the coefficient matrix is obtained; lastly the solution to the linear equation group is gotten.

首先在Excel中输入系数矩阵，并判断线性方程组是否有解，然后求出系数矩阵的逆矩阵，最后求出线性方程组的解。

In rectilinear motion,the extremum of pullvaries with the factor;angleθ=α=arctgμ(μ:friction factor;angleθ:the angle between the direction of pull and the motion direction).

在直线运动中拉力 F的极值随摩擦系数μ的变化而变化，当θ=α=arctgμ(μ为摩擦系数，θ角为拉力 F和运动方向的夹角)时，F有极小

The author studied the formula of the sum of natural number power, and got a recurrence formula of the coefficient about the sum of natural number′s power, it was better than the other formulas that had been obtained.

研究了自然数方幂和的表示公式，给出了其系数的一个递推关系式，利用递推公式很容易得到幂和的各项系数，为计算机解题提供了依据。

On the basis of this , the paper makes a great deal of calculation and analysis in this part , different parameters effect and stress gradient are included . local buckling coefficient and the efficient width calculated formula are provided and look forward to take a reference to the redaction of the specification

本文对此内容进行了较为深入的研究，考虑了多个参数的影响，对各种应力比作用下的楔形腹板的屈曲及屈曲后强度进行了计算分析，得出了考虑翼缘相关作用的楔形腹板屈曲系数及有效宽度系数的计算公式，以期为规范的修订提供参考。

Therefore, the reliability and stability of the multi-port reflectometer is improved greatly.

该方法通过标量检测方程，利用取样网络的本征参数进行变换求得复反射系数或网络散射参数，而求解过程与多端口反射计的比例系数无关，从而简化了硬件，提高了多端口反射计的可靠性与稳定性。

Results show that, when the wheel slip ratio is in the range of 0 to 80%, both Drag-bar Pull and Traction Efficiency increase with the number of simulant regolith press. When the simulant regolith is pressed two times, the DP and TE increase 38.9% and 69.9% respectively.

试验结果表明：当滑转率在0~80%时，挂钩牵引力和效率系数呈现增加趋势，压实2次和4次的模拟月壤分别比自然状态时最大挂钩牵引力提高了38.9%和66.7%，最大效率系数提高了69.9%和171.6%。

Using several questionnaires to investigate 333 middle school students,then using regressand path analysis,the empirical research show that the structure of social adaptation hasevident predictable function to harmonious coefficient of interpersonal relations andsubjective well-being,which is chosen as valuable norm of the state of social adaptationaccording to the essence of social adaptation.

实证研究根据社会适应的性质，选择人际关系和谐系数和主观幸福感作为社会适应状态评价指标，然后采用具有良好信度和效度的社会适应性问卷、人际关系诊断量表和主观幸福感问卷调查333名中学生，采用回归分析和路径分析，结果表明，社会适应性对人际关系和谐系数和主观幸福感均具有比较明显的预测功能。

Then using the method of regression analysis to seek the regression equation of Coefficient of discharge and Submerged coefficient with each influencing factors.

然后运用回归分析方法求出了流量系数、淹没系数与各自主要影响因素之间的回归方程。

On this basis, we can calculate determination coefficient and complex correlation coefficient, and do the test of Significance of regression equation.

在此基础上也可递推计算决定系数、复相关系数等，并进行回归方程的假设检验。

In the regression add variables and delete the variables of each step, the regression equation of the series solution of regression coefficients, and calculation of regression coefficients significant test statistic.

在逐步回归添加变量和删除变量的每一个步骤，都要解一系列的回归方程，求回归系数，计算回归系数显著性检验的统计量。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。