population parameter
英 [ˌpɒpjuˈleɪʃn pəˈræmɪtə(r)]
美 [ˌpɑːpjuˈleɪʃn pəˈræmɪtər]
网络 总体参数; 母体参数; 体参数; 群体参数; 族群介量
双语例句
- Under the normal distribution, the maximum likelihood estimator for the population parameter is proved to be unbiased and asymptotically normal.
证明了此统计量是渐近正态的，并利用蒙特卡罗方法对统计量的渐进分布做了统计模拟。 - A point estimate is a one-number estimate of the value of a population parameter.
一个点数评定是人口参数的价值的一个单一数概算书。 - The sampling method for outdoor population, their parameter analysis will also be included in the course.
最后课程中亦会讨论野外族群调查方法，取样方式及其介量分析。 - The population mean, denoted m, is a population parameter and is the average of the population measurements.
一个人口参数是从所有的描述人口的一些方面的人口衡量被计算的数。 - We cannot accept or reject a hypothesis about a population parameter simply by intuition.
我们不能只凭感觉简单地决定接受或拒绝总体参数的某种假设。 - Under Weibull population, 4 steps are given to decrease the total quality loss, and adjustment parameter is also defined and used.
并在指标服从威布尔分布的情形下定义了调整参数，给出了参数设计的方法和步骤。 - Methods Sampling weights were used as adjustments, and the Taylor series linearization technique was used to estimate the population parameter and associated variances.
方法用抽样权重作为调整值，采用Taylor级数线性化技术估计总体参数及相应的方差。 - The government control, investment scale, the rate of investment yield and the rate of population increase are the principal factors of control parameter. There is the chaotic economic relation between control parameters and real estate investment.
探讨了政府调控力度、投资规模、投资收益率和人口增长率等要素所组成的控制参数与房地产投资之间存在符合混沌经济规律的关系。 - A variable population genetics algorithm ( VPGA) is developed for parameter optimization of fuzzy controlled air conditioner.
提出了一种适合于模糊控制空调器参数优化的变群体规模遗传算法&VPGA。 - Results The multiply imputed data generated by MI procedure represent the uncertainty about the missing value and help us use data available to estimate population parameter more effectively.
结果多重填补值显示出了缺失数据的不确定性，使得已有数据得到了充分利用，从而对总体参数做出了更为准确的估计。 - Admissible Estimation for Finite Population When the Parameter Space is Restricted
参数空间被限制时有限总体的可容许估计 - Selection for salt tolerance of tomato population on the analysis of phenotype parameter
利用表型相关分析筛选番茄耐盐指标 - Effect of temperature on development, survival, reproduction, population parameter and population trend index of Spodoptera litura ( Fabricius) were studied.
研究了温度对斜纹夜蛾的发育、存活、生殖、种群参数和种群趋势指数的影响。 - In the HGA, heuristic algorithm is used to produced initial population, self-adaptive parameter are used in copy operator, crossover operator and mutation operator.
混合遗传算法在产生初始种群时引入启发式方法，采用自适应遗传参数和交替使用两种交叉算子； - A self-adaptive model of population growth and its parameter estimation
一种自适应的种群增长模型及参数估计 - Variable Population Genetics Algorithm for Parameter Optimization of Fuzzy Controlled Air Conditioner
模糊控制空调器参数优化的变群体规模遗传算法 - The distribution of spin populations in AH-R · and A ·, specially the spin population of C atom at donating H, may be a valuable parameter of electric structure to compare the relative activity of antioxidants.
AH-R·和A·中自旋集居分布，对比较抗氧化剂的相对活性可能是一个有价值的电子结构参数。 - This paper studied the population structure and the parameter of growth and mortality and the exploitation rate of twenty species fishes in Fujian coastal waters. Their optimum fishing standard and minimun fishing standard were calculated.
本文研究了福建近海20种鱼类的种群结构、生长和死亡参数及其开发比率，并且计算了最佳捕捞规格和最小可捕标准； - Abstract In this paper the pressing criterion of appreciation estimator was presented. and the property of maximum likelihood estimator of normal population variance σ 2 and uniformly distributed parameter θ was discussed.
本文提出评价估计量的贴近标准，并用该标准讨论了正态分布总体方差σ2及均匀分布参数θ的极大似然估计的一些性质。 - Population Projection Stochastic Model with Parameter Estimations
人口预测随机模型及其参数估计 - We firstly improve the newly developed particle swarm optimization ( PSO) in view of the population initialization and objective function treatment. Then we use the improved algorithms for parameter estimation and on-line estimation of chaotic system for its global searching ability.
利用群集智能的新进展粒子群优化算法（PSO）的全局搜索能力，从初始粒子群的产生、目标函数的处理的角度改进PSO，将改进的PSO引入混沌系统参数估计和在线估计。 - Long-term selection and trends of population changes in some parameter
长期选择与群体某些参数的变化趋势初探 - With standard samples of quality control in the test, the calibration curves are chosen. For the population parameter of intercepts A and slope B of calibration curves, we can estimate its interval.
用投放质控标准样的方法来选择若干校准曲线，对这些标准曲线的截距a、斜率b的进行总体参数进行区间估计。 - How to Propose a Hypothesis during the One-sided Test of Population Parameter
总体参数单侧检验时如何提出假设H - First, this paper constructs a SIQS epidemic model that incorporates constant recruitment and a general population size dependent contact rate. A threshold parameter cis identified.
首先建立了一类具常恢复率，有效接触率依赖于总人数的SIQS传染病模型，并得到了阈值参数σ的表达式。 - Population parameter and dimension layout of four-bar linkage: PRO/ E based API pumping unit modularized design
总体参数及四连杆机构的尺寸规划&基于PRO/E的API抽油机模块化设计之一 - The requirement of electrical product is more and more. For electronically consumable product used by population, besides function requirement, cost is a critical parameter.
人们对于电子产品的要求也越来越高，除了性能方面的要求，对大众消费类电子设备而言，成本是至关重要的。 - In the field of population initialization, differential operation, parameter control and constraint implementation, this paper proposes some methods involved in orthogonal population initialization, hybrid differential strategy, self-adaptive parameter control and constrain-domination.
在种群的初始化、微分操作、参数控制和约束实现等方面提出了：正交种群初始化、混合微分策略、自适应参数控制和约束支配的方法。 - Every individual in population of genetic algorithm is a level set of vector parameter.
在遗传算法的群体中每一个个体都是一个水平集的向量参数。 - The financial sustainability of the system can be improved through moderate population policy and system parameter reforms.
中国养老保险改革辽宁试点模式在长期内不具有财务的可持续性，通过人力资本投资政策和制度参数的改革，可以改善制度的财务可持续性。