We opened an encyclopedia, asked our parents a question or two and, voila, we understand the concept of the unknown variable.
我们查了百科全书，问家长一两个问题，然后，我们就懂了代数中未知变量的概念。
Conclusions: The multiple regression analysis may predict unknown variable from known variables in morphological application.
结论：在形态学上进行多元线性回归分析，可以通过某些已知变量来预测某个未知变量。
By using the Fourier transform, the problem can be solved with a pair of dual integral equations in which the unknown variable is the jump of displacements across the crack surfaces.
首先利用付里叶变换，使问题的求解转换成对一对变量为裂纹面上位移差的对偶积分方程的求解。
To reduce the amount of computation and the location blur of nonlinear algorithm, it regards the nonlinear component of nonlinear algorithm as a unknown variable of linear algorithm.
针对测时差非线性定位算法定位模糊、计算量大等问题，提出了一种线性测时差的求解算法。
Concerning the method, the technique of IMLS was adopted for the approximations of the unknown variable, and the square sphere was used for the geometric form of the local influence field.
方法中未知变量的近似采用IMLS技术，局部影响域形状采用方形几何形态。
Psychologist Nina Strohminger at the University of Pennsylvania, who was not involved in the study, says she wants the effect to be real but cannot rule out some unknown confounding variable.
没有参与这项研究的宾夕法尼亚大学心理学家尼娜·施特罗明格指出，她希望这种影响是真实的，但不能排除一些未知的混杂变量。
Of these, the most important is that of a variable, which is easiest to think of as a placeholder for some piece of data whose value is unknown when the program is written.
其中最重要一个就是变量，你可以把它简单的看做是一个占位符，它其中需要存放的数据值在你写代码时是未知的。
The regression model is then used to predict the result of an unknown dependent variable, given the values of the independent variables.
然后用回归模型根据给定的这些自变量的值预测一个未知的因变量的结果。
The experiment shows that the HMM wavelet can make the effective diagnosis for various faults of rolling bearings operating under the condition of variable speed and load or unknown speed.
试验证明，小波- HMM可以在变转速变载荷工况下以及未知转速情况下对滚动轴承的各种故障有效地进行诊断。
This model can defend not only common viruses, but also variable viruses, polymorphic virus and unknown new viruses.
此模型不但可以防御常规病毒，而且可以防御变种病毒、多态病毒、以及未知新型病毒。
For a class of linear systems with uncertainties of unknown bound, a variable structure control (VSC) design method is proposed based on Block control principle.
针对一类非匹配不确定性的线性系统，基于块控原理，提出了一种变结构控制设计方法。
In case of the noise statistic being unknown or variable, adaptive Kalman filter is used to get drift speed of each axle at each test position, and then drift parameter is calculated.
在噪声统计未知或时变的情况下，每个位置采用自适应卡尔曼滤波解算出平台各轴的漂移角速率，并在此基础上辨识出漂移参数。
The variable-domain variation is a specific tool of handling unknown boundaries and suitable for designing airfoil shape.
变域变分是一种处理未知界面的独特工具，极适合于气动外形的设计求解。
During the terminal guidance phase of the kinetic kill vehicle in the atmosphere, the variable structure guidance law can be used to improve the robustness to unknown escaping maneuver of the target.
大气层内的动能拦截器末制导段，为了提高对目标未知逃逸机动的鲁棒性，可采用变结构制导律。
During the terminal guidance phase of the kinetic kill vehicle in the atmosphere, the variable structure guidance law can be used to improve the robustness to unknown escaping maneuver of the target.
大气层内的动能拦截器末制导段，为了提高对目标未知逃逸机动的鲁棒性，可采用变结构制导律。
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