We use x as the symbol for an unknown quantity.

And the soy sauce results were inconclusive because of the large data range, but it seems like soy sauce actually increased the potential carcinogens.

酱油的实验结果还是未知数。这是由于广泛的数据范围，但是看上去酱油实际上增加了潜在的致癌物。

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Nothing in this great white mystery is certain, except for the knowledge that we humans are, as usual, prime suspects.

在大白鲨消失的谜团中，一切都是未知数，但有一点可以确定的是，一如既往，人类是头号嫌疑犯。

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Whether or not this can be arranged is still uncertain.

这事能不能办成还是个未知数。

词典精选例句

Whether the project will be a commercial success is still uncertain.

这个项目是否赚钱还是个未知数。

柯林斯高阶英汉双解学习词典

Write out the equality that contains unknown number.

列出含有未知数的等式。

provided by jukuu

The sign X stands for an unknown number.

符号X表示一个未知数。

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Thus we are led to a system of infinite simultaneous equations.

这样将导致一系列无穷联立方程。

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Deliberation about the Definition of Identification in Simultaneous Equation Models

关于联立方程模型识别概念的思考

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A New Thought about the Identification of Perfect Simultaneous Equations Model

关于完备联立方程模型识别问题的新思考

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A new solution of simultaneous equations in spectrophotometry is studied.

本文报道了光度分析中联立方程组的新解法，用吸收比代替吸收系数，简便了测定方法，增大了方法的灵活性。

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Based on the similar irrelative model of forest ecological benefits, the study analyzed the subordinate relations of numerous ecological benefits, and introduced end genetic variables Y_1 and Y_2 as the independent variables of another ecological equation to construct consociation equation set model.

在森林生态效益似乎不相关模型的基础上，分析众多生态效益中的相互依存和从属关系，引入内生变量Y1、Y2作为另一个生态方程的自变量，构造联立方程组模型。

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For this reason, the simultaneous equations for jointly interpreting the three kinds of porosity logging data are developed by using acoustic logging, density logging and neutron logging data, and they are solved to obtain some formulae of final solution by using Cramer law.

为此，本文利用声波测井、密度测井和中子测井的读数建立了三种孔隙率测井资料解释的联立方程，并用克莱姆法则（Cramer定律）给出最终求解的公式。

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The main results are: ( 1) Treating the Julia-Zee dyon as external potential, the equation system of the radial wave functions of the fermions is obtained.

主要结果是：（1）把Julia-zee双子处理为外势，得到了费米子径向波函数所满足的联立方程组；

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Thirdly, with the normalized CES production function framework; we will use supply-side system estimation approach to establish a system model including the elasticity of substitution with biased technical progress and system estimation method to estimated value of the parameters.

然后本文在标准化CES生产函数框架下，运用供给面系统估计方法建立了包含替代弹性与有偏技术进步设定的模型，运用联立方程估计方法，得到参数的估计值。

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Then, by utilizing the Matlab ODE program, the simultaneous equations of the mass balance equations and the enhancing factors were solved, thus simulating the variations of ozone concentration and p-nitrophenol concentration in the absorption process. The simulated results were finally compared with the measured ones.

采用Matlab软件中的ODE程序求解该质量平衡方程和增强因子的联立方程，模拟吸收过程中臭氧和对硝基苯胺浓度的变化，并与实验值进行比较。

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KMV model used in our reality, there is the pricing of non-tradable shares, the historical default data was incomplete, firm value and equity simultaneous equation set point stability and issues such as breach of contract.

KMV模型运用于我国现实中存在非流通股定价、历史违约数据不全、公司价值和股权联立方程稳定性以及违约点的设定等问题。

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A clear and simple proving method is given, for that ILS estimator equals 2SLS estimator to simultaneous equations econometrics model, while the structure equation is just right for identification.

针对联立方程计量经济学模型，在结构方程为恰好识别时，ILS估计和2SLS估计的等价性，给出了一个清晰、简洁的证明方法。

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Through the FOCSDT new equation group solution have monitored dissolution of compound chlorzoxazone tablets.

通过FOCSDT联立方程组新解法监测了复方氯唑沙宗片体外溶出度。

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A set of equations relating the characteristic X-ray intensities from elements in the film and its surface densities are formulated and solved for film composition. The quantitative dependence of attenuation of characteristic X-ray intensities of elements in substrate on increasing film thickness is used to determine the thickness.

由薄膜中元素所发出的特征X射线强度与其面密度之间的一组联立方程解出薄膜成份，利用衬底中元素的特征X射线强度随膜厚增大而衰减的定量关系确定膜厚。

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Factor analysis is used to extract the latent variables which affect the satisfaction and loyalty. Logistic regression can be done with the latent variables and the two dependent variables& the customer satisfaction and loyalty, then a recursive simultaneous equations model are established.

首先采用因子分析法提取影响满意度和忠诚度的潜在变量，然后对它们与满意与否，忠诚与否进行Logistic回归，建立了一个递归联立方程模型，并结合社区满意度实例进行了实证研究。

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