频率分布

利用专门的抽样程序统计key值的整体频率分布情况，提前制定分配策略。

The overall frequency distribution of statistical key value using specialized sampling procedures and make distributing strategy in advance .

关于｛x／n｝的分布讨论气体分子频率分布的特点。

The specialty of the frequency distribution of gaseous molecule is discussed .

度量一条频率分布曲线的尖削度就是度量其顶部的峰态。

When we measure the kurtosis of a distribution , we are measuring its peakedness .

模拟光合有效辐射每小时频率分布函数项建议

Proposal of a function for modelling the hourly frequency distributions of photosynthetically active radiation .

北京自然人群载脂蛋白E基因多态性频率分布研究

Frequency Distribution of Apolipoprotein E Gene Polymorphism in Beijing Natural Population

随机漂移亚群体等位基因频率分布的假定及在DNA指纹数据中的应用

A Supposed Distribution for Random Drift Substructure of Population and Its Application in DNA Fingerprinting Date

酸雨的酸度（pH值小）较大，其酸雨频率分布特征为夏半年较低，冬半年较高。

The frequence is lower in summer half year and higher in winter half year .

曲线B可用以描述房屋经纪商出售住宅所需天数的频率分布。

Curve B could represent the frequency of the number of days required to sell a real-estate brokerage business .

发现，mRNA序列上最佳匹配频率分布在这9个模式生物中呈现出高度的一致性或普适性。

The results show that the distributions of mRNA optimal matched frequencies are high consistency or universality .

两种新的水文频率分布模型：Pareto分布和Logistic分布

Two New Models for Hydrologic Frequency Distribution : Pareto Distribution and Logistic Distribution

结果①AD患者与正常对照人群之间不存在219G/T多态各等位基因和基因型频率分布的差异（P值均大于005）；

Results We found no distribution differences of the ApoE promoter 219G / T polymorphism between AD cases and controls ( P > 0 05 ) .

以DEM为基础数据，使用上述程序计算了不同分辨率下研究区的地形指数，在Excel中对结果进行统计和处理，得到地形指数特征值及地形指数频率分布。

We get the topographic index frequency distributions after treating the results with the soft ware Excel .

Diego血型基因在西安地区汉族人群中的频率分布

Diego blood group typing of Han nationality in Xi'an City

Wistar大鼠和昆明种小鼠血清唾液酸频率分布与参考值

The Frequency Distribution and Reference Value on Wistar Rats and KM Mice Blood Serum Sialic Acid

构造多分辨率小波表征QRS综合波的频率分布特性

Constituting multiresolution wavelet to characterize QRS frequency distributions

应用评估软件测定上、中、下肺区平均CT值及象素的频率分布（即象素指数）。

The average attenuation values and their frequency distribution ( i.e. pixel index , PI ) of superior , middle and inferior lung regions were measured with semiautomatic evaluation software .

两基因座基因频率分布符合HardyWeinberg平衡；

Both of 2 loci meet the Hardy-Weinberg equilibrium .

SCA致病基因定位及中国汉族人群SCA亚型频率分布

Mapping the Disease Gene in SCA Families and the Frequency Distribution Analysis of Different Subtypes of SCA in Hans of China

壮族人群3个STR基因座基因频率分布及其法医学应用

Allele frequency distributions of three STR loci in Chinese Zhuang ethnic group and its practical use

结果3个SNP基因型频率分布都符合Hardy-Weinberg平衡；

Results The genotype frequency distributions of three SNPs were all in Hardy-Weinberg equilibrium ;

χ2检验表明各基因座女性的基因型频率分布符合HardyWeinberg平衡。

Chi-square test demonstrated that genotype frequencies in females did not depart from Hardy-Weinberg equilibrium .

结果Adh等5个生化位点呈多态性，各群体之间基因频率分布有差异。

Results There were 5 loci polymorphism and significant difference among the population .

MIF基因-173位点等位基因频率分布具有种族的差异性。

There exists ethnic difference in the distribution of MIF - 173 SNP alleles .

最后，根据得到的坐标点数据和能量损失数据表，使用μ-随机抽样方法，抽样计算在DNA模型化了的2.3×2.3nm尺寸的小圆柱体内的能量沉积绝对频率分布。

In the end , based on the coordinate point data and energy lose data , using the u-Random Sampling Method , the Absolute Frequency Distributions of Energy Deposition in DNA model can be got .

本文将时域有限差分方法（FDTD）用于光子晶体理论研究，计算了光子晶体的透射率频率分布；

The Finite Difference Time Domain ( FDTD ) method is developed for the research of the transmission properties of 2-D photonic crystals .

实验结果表明Hilbert边际谱准确地反映了汽车通过称重台时振动系统的频率分布情况，汽车自振频率由此求出；

Results show that Hilbert marginal spectrum reflects the frequency distribution of the whole system exactly while the vehicle passes through the bedplate .

目的：了解南昌地区献血人群的ABO、Rh血型的分布状况，探讨其血型抗原表现型频率分布间是否相关。

Objective : To investigate the distribution of ABO and Rh blood groups and correlation between them in blood donors in Nanchang .

推导出了满足dewijs模型纹理的离散和连续频率分布模型。

Discrete and continuous frequency distribution models are derived for patterns that satisfy the model of De Wijs .

方法：对中华民族11群体和5个参考群体的HLAⅡ类7个多态座位的遗传结构进行聚类分析和频率分布的比较。

Methods : HLA class ⅱ in 11 Chinese groups and 5 reference populations was studied by clustering analysis of genetic structure and distribution comparison of gene frequencies .

文章采用最小误差逼近算法计算韦布尔分布特征参数A和K，近似拟合风电场实际风速频率分布的韦布尔分布。

This paper presents a least error approach to calculate the main parameters A and K of Weibull distribution characteristic , and fits the actual wind speed frequency distribution in the wind farm with it .