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- mean variance model 均值方差模型
- The mean yearly rainfall is20 inches. 每年平均降雨量是二十英寸。
- 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。
- 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。
- We talked for hours about the meaning of life. 我们谈人生的意义谈了几个小时。
- 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。
- Contextual clues can help one to find the meaning. 上下文所提供的线索有助于了解其意义。
- The mean man turns his back on his old friends as soon as he is successful. 这个卑鄙小人一发迹就抛弃了自己的老朋友。
- I want to bring out the meaning of the poem. 我想讲一下这首诗的意义。
- A different wording might make the meaning clearer. 换一种说法意思可能清楚些。
- Don't play on words, I can't catch the meaning. 你不要玩文字游戏,我不懂。
- Can you explain the meaning of these foreign words? 你能解释这些外文词的意思吗?
- What is the mean temperature in that locality? 那个地方的平均气温是多少?
- The meaning of the passage is obscure. 这段文字意义晦涩。
- She wrenched the meaning of the passage. 她曲解了这段文字的意义。
- Suppose that underlying asset follows Constant Elasticity of Variance model(CEV). We derive pricing formula of binary option. 假设标的股价服从不变方差弹性(CEV)模型下,推导出两值期权的定价公式。
- He was uncertain about the meaning of the sentence. 他对那句子的意思不能确定。
- He was uncertain of the meaning of the sentence. 他对那句子的意思不能确定。
- I cannot get at the meaning of this sentence. 我不能理解这句句子的意思。
- In the real life analysis on CEV model (Constant Elasticity of Variance Model),its unit root test is long been ignored or at most Dickey-Fuller Test is accepted as a valid test. 在应用CEV模型(ConstantElasticityofVarianceModel)的实证分析中,其单位根检验一直被忽略或者被默认可以使用迪基-富勒检验。