equation 四级六级考研

an equation of the second degree.

二次方程。

the equation of science with objectivity.

将科学性和客观性等同起来。

equation of convective diffusion

对流扩散方程

the roots of the equation differ by an integer.

方程根会因整数不同而不同。

erased the equation from the blackboard.

擦掉黑板上的等式。

partial differential equation of hyperbolic type

偏微分方程

It leads to one simple equation, which, in the isotropic case, is the bipotential equation .

因为它可以推出一个简单的方程，在各向同性的情况下，这个简单方程是一个位势方程。

it thus follows from this equation that the value must be negative.

因此根据这个公式其值必为负数。

if we sum these equations we obtain X.

如果我们把这些方程式相加，就能求得X 。

reduce an equation to its simplest form

将方程简化为最简单形式

The equation of ESR linear regression and the sequence of geochronometry are built;

建立了ESR线性回归方程和测年序列 ;

Observational studyaims at the approach to a dynamic system whose equation is undeterminable.

该方程组的解在有限时段上的采样值与给定序列重合。

x + 2y = 7 is an equation. “x + 2y = 7”

是方程式。

There is an equation between unemployment and rising crime levels.

失业人数增加则犯罪数量增加。

The availability of public transport is also part of the equation.

公共交通的便利也是考虑因素之一。

According to the nature of two-dimensional biharmonic equations,this paper obtains a polynomial solution of the biharmonic equation for stress function by means of the MATHEMATICA software.

根据二维调和方程的特点并借助于MATHEMATICA软件,得到了应力函数调和方程的多项式解答。

Set up a curvilineal equation of acid-base titration,and every pHysics meanings in the equation and factors of the effect its titrate suddenly jump range were discussed.

建立了酸碱滴定的滴定线方程,并讨论了方程中各项的物理意义及影响滴定突跃范围的因素。

Starting with Lagrange equations of the first kind, pure differential equations of multibody systems with rheonomic constraints are established.

根据变换方程与约束方程显含时间的等价性，提出了定常约束与定常统判据的等同表述。

If you later add more equations to the paper before the referenced equation, all the equations will automatically renumber and the cross-references will update.

就算以后您在前面加入新的公式，它们都会自动编号，交叉引用编号也会自动修改。