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- An algorithm based on inverse matrix for mean variance portfolio selection model is proposed. 介绍均值方差资产组合选择模型的一种以逆矩阵为基础的算法。
- This paper presented the merit of adaptive threshold with the more advantageous pointwise variance method. 本文分析了自适应阈值的优点，进而提出逐点噪声方差法在去噪方面有更强的优势。
- Testing results achieve the technical indices and precision requirement. 2 The properties of the FOG signal random drift are detected with the Allan variance method. 2针对光纤陀螺输出信号漂移误差和噪声对视轴稳定回路的影响,提出了采用Allan方差法对光纤陀螺零漂信号进行时域分析方法。
- We proposed a mean variance portfolio selection model with the restricted short sales.The model was a convex quadric programming problem and was solved by the pivoting algorithm. 摘要本文提出了限制性卖空的均值-方差投资组合模型，通过变量替换将该模型转变为一般二次规划问题，从而运用不等式组的旋转算法进行求解。
- The simulations prove that not only the PSNR improved, but also the visible blocking effect is effectively decreased by using adaptive threshold and pointwise variance method. 仿真结果表明：采用自适应阈值并结合具有更强自适应性的逐点噪声方差法不仅能提高医学图像的峰值信噪比，还能有效地降低由传统阈值所带来的方块效应。
- The simulations prove that not only the PSNR improved,but also the visible blocking effect is effectively decreased by using adaptive threshold and pointwise variance method. 仿真结果表明:采用自适应阈值并结合具有更强自适应性的逐点噪声方差法不仅能提高医学图像的峰值信噪比,还能有效地降低由传统阈值所带来的方块效应。
- The two common means for segmenting the fingerprint image are variance method and direction method, which utilize its gray characteristic and direction information, respectively. 摘要在研究和分析方差法和方向法的基础上，提出了一种指纹图像分割的新方法。
- The method seems good but it needs to be tried out. 这个方法似乎不错，但需要试验一下。
- Taxpayer: what do you mean by the method of derivation? 纳税人：什么是以支出换算收入？
- My ideas are at variance with his. 我的思想和他的不同。
- Gene effects and effective gene number on litter size in pig are estimated from the mean and the mean variances of 6 generations including Taihu Pig(P1),Landrace (P2),first cross(F1),second cross(F2),third cross(F3)and back cross(B2). 利用太湖猪（P1）、长白猪（P2）、杂交一代（F1）、杂交二代（F2）、杂交三代（F3）； 和回交一代（B2）等6个世代产仔数的材料，分析了猪产仔性状的基因效应和基因数。
- Nothing can set the twin brothers at variance. 没有什么事能使这对双胞胎兄弟吵起来。
- A Pivoting Based Algorithm for Self-Financing Mean Variance Portfolio Model 自融资均值方差投资组合模型的旋转算法
- Time-delay Vector Variance Method and Its Application to Gear Fault Diagnosis 延时矢量方差算法及其在齿轮故障识别中的应用
- Do you mean say we are met for a thunder storm? 你肯定我们会遇到一场雷雨？
- Her conduct is at variance with her words. 她言行不一。
- I feel mean for not doing more for my son. 我对没为我儿子多做点事而感到惭愧。
- This theory is at variance with the known facts. 这种理论与已知事实不符。
- Defeat in this election would mean he was done for. 这场选举的失败意味着他政治生涯的结束。
- We are at variance about our lodger. 我们在对待房客的问题上意见不一。
