Roger evaluated the ROI on the basis of two variables namely Cost and Return.
Roger依据成本和收益这两个变量来评估roi。
This ensures a consistent view of the two variables (see Resources for a citation).
这可以确保能够得到这两个变量的一个一致视图(请参阅参考资料中的引用)。
So, we said when we have a function of two variables, we have the gradient vector.
我们说，当一个二元函数存在时，就有梯度向量。
Correlation between two variables was analyzed with linear correlation.
两变量之间关系采用直线相关分析。
GDB has two variables to specify the search directories for target libraries.
GDB有两个指定目标库查找目录的变量。
A circuitry which provides an output resulting from an input of two variables.
由一个双变量输入产生一个输出的一种电路。
For example, if in some step the user enters a user ID and password, there are two variables.
例如，在某些步骤中，如果用户输入了用户ID和密码，这就产生了两个变量。
And it turned out that for this mixture, we only needed two variables. Two degrees of freedom.
最终对于这种混合，我们只需要两个变量，两个自由度。
In Figure 2, the action class sets the values of two variables using getter and setter methods.
图2中，action类使用getter和setter方法设置两个变量的值。
And then, we'll see that if we have more than two variables, then it's harder to plot the function.
我们会发现如果函数有多于两个变量，那把它画出来会困难得多。
All you're doing is defining two variables at the top of the program and then slipping into HTML mode.
您所做的全部事情就是在程序开头定义两个变量，然后进入HTML模式。
Rule3 initializes these two variables by creating a new business object and assigning some values to them.
Rule3通过创建一个新业务对象并向这两个变量赋值来初始化它们。
we've seen is how to actually view a function of two variables in terms of its graph and its contour plot.
我们学过怎样认识二元函数,从它的图像和等高线的角度来看。
For example, we can assign values to two variables simultaneously with one pattern matching (see Listing 31).
例如，可以使用一个模式匹配同时为两个变量赋值(参见清单31)。
Self-esteem and body feeling are considered as two variables for predicting subjective well-being (SWB).
整体自尊和身体感受是预测主观幸福感的两个重要变量。
You create two variables: the first holds the URI to the Web service and the second holds the zip code value.
有两个变量：第一个用来保存指向Web服务的uri；第二个保存的是邮政编码的值。
And let's say that we want to find the greater of two variables and return it. The code would look like this.
还假设我们想寻找两个变量中比较大的一个并返回它。
Boolean operator that gives a truth table value of true if only one of the two variables it connects is true.
一种布尔运算符，当与其相关联的两个变量中仅有一个为真时，其真值表才取值为真。
In the line integral in the plane, you had two variables that you reduced to one by figuring out what the curve was.
在平面上的线积分中，有两个变量，可以通过了解曲线的形成规律，从而去掉一个变量。
Algebra is stepping up: Prepare for linear equations and inequalities, and systems of equations in two variables.
代数的比重则会增加，考生要在线性方程、不等式、二元方程等方面做好准备。
According to surface theory in differential geometry, the two-dimensional surface is parameterized by two variables.
微分几何中的曲面论，用两个变量就可以完全参数化一个二维曲面。
And we have seen them twice. We have seen them once for functions of two variables, once for functions of three variables.
并且我们已经做过两次了，一次是关于二元函数的，另一次关于三元函数的。
When applying regression analysis people sometimes find a relationship between two variables that in fact have no common bond.
在应用回归分析时，有时人们所确定的两个变量之间的关系，事实上并不存在。
When applying regression analysis, people sometimes find a relationship between two variables that, in fact, have no common bond.
在应用回归分析时，有时人们所确定的两个变量之间的关系，事实上并不存在。
You'll create two variables representing the two values above, then you'll use the <xsl:value-of> element to output their combined values.
创建代表以上两个值的两个变量，然后使用 <xsl:value-of>元素输出它们的组合值。
We are finding a parametric equation for the sphere using two variables phi and theta which happen to be part of the spherical coordinate system.
我们建立有两个变量φ和θ的球面的参数方程,它们恰好是,球坐标系统的一部分。
I should say that is for a function of two variables to try to decide whether a given critical point is a minimum, a maximum or a saddle point.
但这种办法并不普遍，只能用于二元函数，来判断是极小值点、极大值点还是鞍点。
That a relationship between two variables exists says very little about the underlying theory but often the relationship is casually assumed to be causal.
两个变量之间存在的联系几乎没有谈到相关的理论，但这种关系通常被随意臆断成有因果性的。
That a relationship between two variables exists says very little about the underlying theory but often the relationship is casually assumed to be causal.
两个变量之间存在的联系几乎没有谈到相关的理论，但这种关系通常被随意臆断成有因果性的。
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