1)β-threshold阀值β
2)β valueβ值
1.Choice of risk estimation models based on β value;基于β值的风险测度模型选择
2.Moreover, we study the condition under which solution of the β value portfolio investment model with probability criterion and the formula of solving the model are given.在基于概率准则的组合证券模型下 ,把实现一定收益率水平目标的概率优化模型的求解转化成易于求解的非线性规划问题 ,从而方便地得出模型的解及其意义 ;提出了概率准则下的 β值组合证券投资决策模型 ,研究了它们解的存在性和求解的公式 ,并给出了上海股市股票的数值算例。
英文短句/例句
1.A Study on Time varying Portfolio Investment Decision on the Basis of the β value Portfolio Investment Decision Model时变β值证券组合投资决策模型研究
2.Discussion on Irrational Herd Behavior of Closed-end Fund from β Value;从β值看封闭式基金非理性羊群效应
3.Empirical Analysis of Relations of β and BV/MV and Returns of Stockβ值和帐面/市值比与股票收益关系的实证研究
4.β-model for Portfolio Investment Decision under the Condition of No Short Sale不允许卖空的β值证券投资决策模型研究
5.The Selection Model on the Portfolio Selection of Fractional Utility Function Based on β;基于β值的分式效用函数投资组合选择模型
6.The Comparing of Various Methods of Calculate β in Arable Land Grading;农用地分等中几种β值计算方法的比较
7.Empirical Test of the β of Shanghai Stock 30 Index with Different Benchmark;不同基准下的上证30指数β值实证研究
8.Study on β-value portfolio investment decision model with restricted short sale allowed;限制性卖空条件下β值证券组合投资决策模型
9.A Study on the β|value Portfolio Investment Decision Models Allowed to Hold Risk|Free Security允许持有无风险资产的β值证券组合投资决策模型研究
10.This paper also makes a study of principle that the noise of the hearing aid decreases with selecting a transistor of high β parameter.文章还探讨了降低助听器噪声而选用β值大的管子的理论依据。
11.Beta-type Simulatorβ-型油藏数值模拟体系
12.Microstructure and mechanical properties of β-SiAlON with different Z values不同Z值β-SiAlON的显微结构与力学性能
13.The existence and uniqueness of additive selection for (α,β)-(β,α) type subadditive set valued maps(α,β)-(β,α)型次可加集值映射的可加选择映射的存在唯一性
14.Physiologic reference level of serum beta-amyloid protein 1-28 in Chinese adults国人血清淀粉样β蛋白1～28的生理参考值
15.Hong Kong property prices rising Yang 1,000 frenzied stew slowly value for beta. Moldy plate showing.香港豪宅房价疯狂上涨杨千?霉盘炖值让β蚍?
16.Value of F-β-hCG on Diagnosis and Treatment of Ectopic Pregnancy;游离β-hCG在异位妊娠诊治中价值的研究
17.Constitutive Modeling and Computation of High Temperature Viscoplastic Deformation of β Titanium Alloyβ型钛合金高温粘塑性本构建模及数值计算
18.The predictive value of elevated maternal serum β-human chorionic gonadotrophin (hCG) in adverse pregnancy outcomes in the second trimester of pregnancy.孕中期高溶度Free-β-hCG预测不良妊娠结局的价值
相关短句/例句
β valueβ值
1.Choice of risk estimation models based on β value;基于β值的风险测度模型选择
2.Moreover, we study the condition under which solution of the β value portfolio investment model with probability criterion and the formula of solving the model are given.在基于概率准则的组合证券模型下 ,把实现一定收益率水平目标的概率优化模型的求解转化成易于求解的非线性规划问题 ,从而方便地得出模型的解及其意义 ;提出了概率准则下的 β值组合证券投资决策模型 ,研究了它们解的存在性和求解的公式 ,并给出了上海股市股票的数值算例。
3)threshold[英]['θre?h??ld][美]['θr??hold]阀值
1.The Threshold and Application of Fuzzy Selstion in Fuzzy Decision System;系统模糊决策优选的阀值及应用
2.A Research on Magnetic Resonance Image Threshold Denoising;磁共振图像阀值去噪方法研究
3.The threshold comparative method in detecting electrospark discharging status is improved.对检测电火花放电状态的阀值比较法作了改进。
4)Threshold value阀值
1.Aimed at the problem of extraction of welding pool edge of aluminum alloy MIG welding,an experimental system of vision sensing and acquisition was set up,and an inter-category square deviation based threshold value selection method was proposed for extraction of welding pool edge of aluminum alloy MIG welding.针对铝合金MIG焊熔池边缘提取问题,建立视觉传感和采集的实验系统,提出基于最大类间方差阀值的遗传算法来提取铝合金MIG焊熔池边缘。
2.In the process of reasoning the confidence of illnesses can be obtained by means of the confidence of transmitting symptoms and diagnostic rules,and then diagnostic conclusions can be finally determined according to threshold value of confidence,reali.根据系统特点,提出了基于可信度的正反向混合推理控制策略,在推理过程中通过传递症状和诊断规则的可信度,得到疾病的可信度,并根据可信度的阀值最终确定诊断结论,实现了疾病的数值诊断。
3.We use ″threshold value″ to distinguish files into hot files and non hot files according to their accessed times and only the hot files will be ca.论文针对P2P环境下分布式文件存储系统的特点,提出了一种兼顾用户访问效率和复本一致性的灵活的缓存策略,不同于目前已经存在的P2P存储系统,论文使用“阀值”来将文件区分为热点文件和非热点文件,并且只针对热点文件来做缓存,根据缓存空间的使用效率和不同的文件类型来设置不同的阀值使得缓存策略灵活而有效,论文对该策略进行了理论上的分析,然后通过Trace-Driven模拟的方法验证了该策略的可行性。
5)valve value阀值
1.Quanta pitfalls valve value electric current and best pitfall number and cavity long relations;多量子阱的阀值电流与最佳阱数及腔长的关系
6)β ratioβ比值
延伸阅读
1-[β,β,β-三(对氯苯基)丙酰]-4-甲基哌嗪分子式：C26H25CL3N2O分子量：487.85CAS号：2390-22-9性质：该品溶点213-215℃。作兽用驱虫药时常用基盐，又称Dieroden。盐酸盐的熔点为267-269℃，易溶于热水和醇。制备方法：以三（对氯苯基）甲醇（Ⅰ）为原料，与氰乙酸加成得β,β,β-三（对氯苯基）丙腈（Ⅱ），经浓硫酸水解得β,β,β-三（对氯苯基）丙酸（Ⅲ），再用五氯化磷酰氯化，得到β,β,β-三（对氯苯基）丙酰氯（Ⅳ），最后与N-甲基哌嗪缩合制得海涛林。用途：该品为治疗牛、羊矛形腔吸虫病的高效药物，具有作用强、驱虫率高（96%以上）、毒性低、适口性好等优点，国外畜牧业应用十分广泛。
