Two-factor authentication is a popular method being practiced for increased security.
双因素身份验证是增强安全性的流行方法。
For strict slice method the safety factor can be obtained by two equilibrium equations given the orientation or the point of force action between the slices.
对严格条分法，用二个平衡方程，并假设条间力的作用方向或条间力的作用点位置，就能求出安全系数。
Thus we gave a kind of new method for solving the greatest common factor of two-variable polynomials.
利用矩阵的初等变换，给出了两个多项式的最小公倍式、最大公因式及其系数多项式的统一求法。
Mapping method about chaotic sequence is researched to encryption factor sequence using two-dimensional discrete chaotic model.
采用二维离散混沌模型，研究了从混沌序列到加密因子序列的映射方法。
A new Measuring and controlling system of moisture ratio in molding sand based on two level closed loop control is presented, and setting method of temperature compensation factor is described.
提出了一种基于两级闭环控制的新型型砂水分控制系统，阐述了温度补偿系数的设定方法。
To improve quality factor of two closed speed regulation systems, this paper advances the two - channel control method used with acceleration regulator.
本文提出采用带有加速度调节器的双通道控制模式可提高双闭环调速系统的品质因素。
Take the two-factor covariance analysis for example, the projection method is used to decompose the derivate square.
以双因素协方差分析为例，介绍如何用代数中投影的方法进行离差平方和分解。
The research energy need's analysis method may converge two kinds generally:First, energy need predictive parsing method; first, energy need factor analysis method.
研究能源需求的分析方法一般可归为两类：一是能源需求的预测分析方法，一是能源需求的因素分析方法。
In designing this compression method, it has compromised between two important factor: high compression ratio and fast run-time random access.
在设计该压缩方时，对两个重要参数进行了折衷：高的压缩率和快速运行时间随机访问。
The model setting up method of the three module which include power factor correction circuit, two-transistor forward converter, secondly chopper circuit, is discussed in detail.
分别讨论了功率因数校正模块、双正激变换电路模块和二次斩波模块的建模方法。
A small sample method for testing fatigue crack growth rate curve of steel was presented in this paper using a formula of two-dimensional one-side tolerance factor.
应用二维单侧容限系数公式，提出了一种测定金属材料疲劳裂纹扩展速率的小样本方法。
In this paper factor analysis method and SPSS software were utilized to analyze the grades of two-school-year tests in one class, and a reasonable list was gained according to the general score.
文章通过运用因子分析法，对某班两学年的考试课成绩进行了实证分析，并科学地给出了排名。
Using the two-stage method, DEA and TOBIT model, this paper gives an analysis of China's urban growth efficiency and its influencing factor.
通过二阶段方法，利用DEA与Tobit模型分析了中国城市增长的效率及其影响因素。
A computation program has been developed, using a two dimension boundary element method, for calculation of stress strength factor at the welding crackle tip.
反映裂纹尖端附近区域应力场强度的物理量称为应力强度因子。它和裂纹大小、形状以及外应力有关。
Based on the experience, the calculated thrusts by the two methods are the same under general design safety factor, indicating that the finite element method to calculate the pile thrust is feasible.
依据经验，在一般桩设计安全系数下，两者计算得出推力一致，表明有限元用于计算桩后推力是可行的。
To solve the instability of the equivalent factor, a novel two-step calibration method is proposed.
为了解决等效因子的不稳定性，提出了一种两步标定法。
In order to improve the robustness of this method, two-factor analysis of variance and additive model is proposed to reduce the impact of style information on face observed feature.
为了提高该方法的鲁棒性，通过两因子方差分析与加性模型分离人脸内因子与外因子，降低风格信息对人脸观察特征的影响。
Method: we research the relative dangerous factor and prevention measures in respiratory infection by review investigation. The difference exits between two ones.
方法：采用回顾性调查方法探讨呼吸道感染有关的危险因素和采用的预防措施，并比较内、外科患者危险因素的区别。
Based on the results of single-factor experiments, a quadratic regression model was established with the help of two factors central composite experimental design and the response surface method.
在单因素试验基础上，利用二因素中心组合设计原理及响应面法分析建立二次回归模型。
Based on the results of single-factor experiments, a quadratic regression model was established with the help of two factors central composite experimental design and the response surface method.
在单因素试验基础上，利用二因素中心组合设计原理及响应面法分析建立二次回归模型。
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