difference coefficient
英 [ˈdɪfrəns ˌkəʊɪˈfɪʃnt]
美 [ˈdɪfrəns ˌkoʊɪˈfɪʃnt]
差分系数
双语例句
- The coefficient of the lung, thymus and thyroid were significant difference between the young and the middle age group, especially the difference of thymus coefficient was very significant.
中年组雌性和雄性的肺、胸腺和甲状腺与青年雌性和雄性的对应脏器系数有差异，其中胸腺脏器系数差异极显著。 - The analytical results should be modified by a difference coefficient when the uneven character analysis is based on all the arriving ships.
若采用全部船舶到船资料分析到船不均衡性时，需用差异系数对分析结果进行修正。 - A New Method of Hypothesis Testing about Difference of Variation Coefficient of Two Normal Distribution
两正态分布变异系数差的一种新的假设检验方法 - The temperature distribution of IR source is obtained and the optical readout system can receive the IR imaging result on the basis of measurement of the distribution of thermal deformation in the bi-material cantilever microstructure which has a very big difference in coefficient of thermal expansion.
通过测量热膨胀系数相差较大的两种材料构成的悬臂梁受到红外辐射后的热形变分布，得到红外源的温度分布，从而实现在基于光力效应的光学读出系统中成像的目的。 - Difference diagnosis shows, difference coefficient rank of male 4 first-class index is sport character ﹥ body function ﹥ body appearance ﹥ health level.
差距诊断表明，男子运动员4项一级指标差距系数均值的大小排序为：运动素质＞身体功能＞身体形态＞健康水平； - In Beijing, it has applied the Saul formula and integrated with the difference coefficient method to make its respective rules and regulations during winter construction of concrete.
北京地区采用绍尔公式计算混凝土成熟度并乘以差值系数的方法，已制订出相应规程； - Taking the trading data of the 40 component index stocks of Shenzhen stock market from Jan.11,2002 to Apr.2,2004 as the research objects, the law of risk variation of stock combination is studied and the optimal portfolio is found out by using difference coefficient.
运用深圳40指数的部分成分股2002年1月至2004年4月的历史数据对股票市场做了实证分析，研究了股票组合的风险变动规律，利用变异系数选出最优投资组合。 - Determination of regional difference coefficient.
地区差异系数的确定。 - Application of Optimal Portfolio Selection Based on the Difference Coefficient σ/ μ in Life Insurer's Investment
基于差异系数σ/μ的人寿保险公司最优投资组合方法 - The effects of five main cultivating factors on coefficient of economic and harvest index is not significant. There is very significant difference among dry physical weight of population and no difference among coefficient of economic and harvest index in different yield ranges.
五因素对经济系数、收获指数不产生显著影响，不同产量水平下，群体干物重间存在极显著差异，而经济系数间收获指数间无显著差异性。 - Using city difference coefficient to improve the traditional DEA model to improve the city commercial bank efficiency, we eliminate the area difference influence in the appraisal of city commercial bank efficiency, which makes the efficiency appraisal more reasonable.
运用城市差异系数对传统DEA模型进行改进来计算城市商业银行效率值，消除了地区经济差异对城市商业银行效率评价的影响，使城市商业银行的效率评价更公平更合理。 - Its standard error is lower than 1.0% and its difference coefficient is lower than 0.7%.
该方法的相对误差小于1.0%，变异系数小于0.7%。 - The characteristic of this paper is: Firstly, it improves the DEA methods by the city difference coefficient, so that it eliminates the effect of city difference on the appraisal of city bank efficiency.
本研究的创新与特点一是用城市差异系数对DEA模型进行改进，从而消除了城市经济差异对城市商业银行效率评价的影响。 - The numerical results for the pipes with different lengths show that there exists linear law between the pipe length and either the pressure difference or friction coefficient.
对不同长度圆管进行了数值计算，结果表明无论是压差或摩阻系数，都与管长之间存在着近似的线性律。 - In the appraisal of city commercial bank efficiency, we absorb a concept of city difference coefficient to calculate the output of city commercial bank, which will eliminate the area difference influence in the appraisal of city commercial bank efficiency.
在对城市商业银行效率的评价中引入城市差异系数这个概念，对城市商业银行的产出进行了合理折算，使对城市商业银行的效率评价消除了地区性差异。 - The difference coefficient was used to replace the exact derivative which is difficult to be computed, and a new algorithm was presented by using the idea of reduced gradient method.
利用差商代替难以计算的精确导数，结合既约梯度法的思想建立新的算法； - The difference coefficient of principal component as the optimal selection index are put forward.
用主成分的差异系数作为风险投入组合的指标； - The analysis indicates that the differences of refraction coefficient computed with observations may effectively estimate the accuracy of difference of refraction coefficient.
分析说明了，采用实测数据计算测距三角高程的垂直折光系数差，可以有效地估算垂直折光系数差的精度。 - Because the target materials of ICF are mostly made up with light elements, and the difference of coefficient for intensity attenuation is very little when measuring different light elements having close atomic number using beta-ray.
由于ICF靶材料主要由轻元素组成，考虑到β射线与有效原子序数差别不大的轻元素材料相互作用时，其强度衰减系数的差别必然是很小的。 - Furthermore, it evaluates the level of 17 cities in Anhui Province and comes out the regional difference coefficient of logistics development.
其次，对安徽省17个地市历年物流发展水平进行评估，并计算物流发展地域差异系数。 - It is the difference of permeability coefficient of sand and silt that causes the diversity of suction process.
对桶基在砂中和粉土中的沉贯行为进行了对比研究，并初步分析了沉贯行为产生差异的原因，粉土和砂的渗透性不同是引起差异的一个主要因素。 - On the constraint of trade cost, the Optimal Futures Hedging Strategy model is set up under the hedged portfolio's risk and profit are measured by the difference coefficient σ/ μ.
采用差异系数σ/μ来衡量套期保值资产组合风险和收益，在交易成本的约束下，建立基于变异系数最小化的期货套期保值优化决策模型。 - With reference to the site quality quantitative score table, the site difference coefficient can be figured out according to the present marking.
参考立地质量数量化得分表，现地评分，确定立地差异系数。 - The results showed that the difference of coefficient in sources was bigger.
结果表明，不同种源之间相似系数差异较大。 - Through the introduction of the amplitude difference coefficient describing the image gray level variation, the non-constant amplitude image transformation model is established.
通过引入幅值变化系数来表征图像灰度差异，建立了幅值非恒定的图像变换模型。 - In addition, in the process of describing production declining rate, the variation coefficient among different influenced factors shows that the key factors are the changes of well spacing density, production pressure difference, flow coefficient and water coefficient.
其中，在产量递减率指标描述过程中，分别计算出不同影响因素的变化系数，得出了影响产量递减的关键因素为：井网密度变化、生产压差变化、流动系数变化和含水系数变化。 - It is precisely because the difference between adsorption coefficient and diffusion coefficient provides a theoretical basis for the gasoline desulphurization by PEG membrane.
正是由于噻吩类硫化物和各烃类化合物在吸附系数和扩散系数大小上的差别为PEG膜可脱除汽油中硫化物提供了理论依据。 - We explore and research SPA problems, and apply it to system assessment of the urban flood control, the main achievements are: ( 1) determined the value of difference coefficient I with partial contact.
对集对分析存在的问题进行探讨、研究，并运用到城市防洪系统评价问题中，取得的主要成果有：（1）提出用偏联系数的方法确定差异度系数i值。