返回布尔值，指明变量变量：已命名存储位置，所包含的数据能够在程序执行过程中发生变动。
Returns a Boolean value indicating whether a variable variable: a named storage location capable of containing data that can be modified during program execution.
它结合了定量变量和定性变量。
It combines quantitative variables and qualitative variables.
绑定标量变量以及在此问题上的任何绑定变量都需要将其实际数据存储在某个地方。
Note that a tied scalar variable, and any tied variable for that matter, needs to store its actual data somewhere.
首先按过程输出随输入变量变化的程度对输入变量论域进行划分，在此基础上确定模糊模型的规则总数和前件参数；
The domain of discourse of input variables is divided firstly according to the changing degree of the process output while the input variables change.
提出了定性变量及定量变量的新概念，并将二者的综合集成推理应用到单输入模糊控制器的设计之中。
The quantitative and qualitative variables are introduced in this paper, and the synthetically combined reasoning of them is applied in the design of single-input fuzzy controller.
二阶导数给出熵，随着变量变化的情况，这些变量包括压强或者体积。
Then the second derivative gives the change in entropy with respect to the variable that we're differentiating, with respect to which is either pressure or volume.
相反，之前的数据开采技术机械地处理大量变量，异常自检和之外的更有意义的变量。
On the contrary, the previous data mining techniques treat a large number of variables automatically, self-discovering anomalies and the variables that among others are more meaningful.
伺服变量泵在小排量变量阶段，容易造成系统效率低、发热量大等缺点。
Variable displacement servo pump in the small variable phase, likely to cause the low efficiency of the system, heat large shortcoming.
为避免上述问题白勺出现，文章利用MATLAB软件对伺服变量泵白勺小排量变量阶段停止了分析，结合试验对仿真结论停止了分析。
To avoid these problems, this variable using MATLAB software, the servo variable stages of small-displacement pumps have been studied with the simulation test results are analyzed.
结果双变量多水平模型可以估计各水平两个变量的方差协方差阵，据此可以计算出相关系数随协变量变化的函数式。
Results Multilevel models can present the variance covariance metrics of two dependent variables in every levels, and make out the functional expresses of correlation coefficient with covariates.
通过变量变换，分离变量等数学手段，将二维数值模型转化为一维数值模型，得出了公式简单实用，物理意义明确的解析解。
Through mathematic means of variant separation and transformation, 2d numerical model was changed into 1d numerical model and acquire the single analytic solution of the equation.
故障诊断模型症兆变量与实际故障症兆变量变化值相对误差控制在5%内，且不会对故障类型的判断产生影响；
Relative errors between the deviation of the real fault symptom parameters and of the fault derived from the model are controlled less than 5%.
故障诊断模型症兆变量与实际故障症兆变量变化值相对误差控制在5%内，且不会对故障类型的判断产生影响；
Relative errors between the deviation of the real fault symptom parameters and of the fault derived from the model are controlled less than 5%.
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