查询词典 refutable formula

This paper introduces a recurrence formula for estimating the variances of errors of a sequence forecasted by an autoregression model and gives two examples under both smooth and nonsmooth conditions.

讨论了自回归模型的预测误差的方差估计问题，给出了详细的递推计算公式，并给出了平稳序列与非平稳序列的例子各1个。

We can ex-tractn roots accurately and easily to each definite equation by the means of converting, discriminat-ing and substituting the auxiliary angle and so forth into the relevant radical formula.

对每个给定方程，通过转换、判别等方式，将其转换出的辅助角等代入配套求根公式，就可求出准确而简便的n个根。

In this case the formula calculates the average purchase order value for each purchase order.

这实际上是在为每一个采购订单的采购订单价值作公式计算。

The method utilizes fuzzy ordered weighted averaging operator to aggregate the fuzzy linguistic evaluation information given by experts, and then uses the expected values formula of triangular fuzzy numbers to obtain the weighted vector of factors determining the scale of logistics park.

结合模糊集理论和多属性群决策理论，提出基于模糊语言多属性群决策的物流因区规模确定模型。

In this paper,a study is given to the relationship between vacuum arc current and axial magnetic field keeping the vacuum arc diffuse,a formula of the relationship is deduced.

本文研究了真空电弧与使其保持扩散型的纵向磁场间的关系，并得出了电弧电流与纵向磁场间的关系式。

Based on the radial and axial solenoid formula, the axial and external magnetic field homogeneities of the detecting coils are analyzed in detail.

通过分析不同几何尺寸的线圈中轴线上磁场的变化情况，并借助直螺线管的径向和轴向公式，对轴外磁场均匀性进行了探讨。

In studying the linear response of the dressed quark propagator in the presence of the variable external field, we derive a general expression for the vacuum susceptibility, based on the two-point external field formula in the Quantum Chromodynamical sum rule. The expressions we have derived for the calculation of vacuum susceptibility are model independent. Then we use the expressions to calculate the renormalised axial vector, vector and tensor vacuum susceptibilities.

接下来在研究夸克传播子在外场中的线性响应时，我们利用QCD求和规则两点外场公式推导出了一般的计算真空磁化率的公式（以变化的轴矢量外场为例），我们这里推导出的真空磁化率的计算公式是模型无关的。

Therefore,an attempt was made to describe the essence,signification and the correct application conditions of measurement parameters of PAM chlorophyll fluoremeter in this paper,as well as the derivation of relative measurement formula from perspective of axiomatization.

为此，本文尝试从其本质、意义及其正确的使用条件等方面对调制叶绿素荧光仪的测量参量进行阐述，并对应用中的相关计量公式从公理化的角度进行了演释推导。

The unified formula results from the revolution and translational movement of the coordinate axis.

利用坐标轴的旋转和平移，导出了组合机床主轴箱多种传动形式下传动轴坐标计算的统一公式。

By using a set of simple formula and calculating method with the rotating of coordinate axis, this paper gives the concrete expression of the reflectance and transmissivity of monopodium with discretional optical axis.

研究了光从各向同性介质入射至单轴晶体界面上时反射和折射情况，采用一套较为简单的公式和计算方法，再加上坐标轴的旋转，从而给出了在晶体光轴取向任意的一般情况下，光在晶体界面上的透射、反射系数的具体表达式。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。