The application of the concentration ratio and the circular distribution in the analysis of seasonality of infectious diseases.;
应用集中度和圆形分布分析传染病的季节性
[Methods] Concentration and circular distribution method were used to analyze the seasonal distribution features of 13 common infectious diseases during 1990—2006 in Fuzhou City.
方法运用集中度法及圆形分布法对福州市1990—2006年13种常见传染病的季节分布特征进行分析。
[Methods] Circular distribution method was used to analyze the data,calculate mean angle,mean vector and circular standard deviation and estimate the peak period of syphilis incidence;Rayleigh s test was used for the detection and Watson-William test was applied for comparison.
方法采用圆形分布法将数据进行统计分析,计算平均角α、集中度量r值、角标准差s,估计发病高峰日,并用Rayleigh’s test(雷氏检验)进行检验和Watson-William法进行多个样本的比较。
Analysis on the Epidemic Feature of Bacillary Dysentery in Children by the Means of Circular Distribution Law
用圆形分布法分析小儿菌痢的流行特征
SEASONAL DISTRIBUTION OF THE MEASLES BY CONCENTRATION DEGREE AND CIRCULAR DISTRIBUTION
集中度和圆形分布法分析南昌市1985～2007年麻疹季节性分布
The incidence data of Typhoid from 1960 to 1997 in Baise region were analysed by using Circular Distribution method.
应用圆形分布法对百色地区1960-1997年伤寒发病资料进行分析。
ANALYSIS ON THE TIME AGGREGATION OF BACILLARY DYSENTERY BY CIRCULAR DISTRIBUTION METHOD IN SHIFANG COUNTY
用圆形分布法对什邡市细菌性痢疾进行时间聚集性分析
Analysis of seasonality and long-term trend of measles with circle distribution in Shijiazhuang city
圆形分布法分析石家庄市麻疹发病的季节性和长期趋势
Analysis of Prevalence Season and Trend of Meningococcal Disease by Circular Distribution in China
应用圆形分布探讨我国流行性脑脊髓膜炎的发病季节和流行趋势
A COMPARISON STUDY ON THE DISTRIBUTIONS OF THE MOLECULAR FLOW FIELD IN SPHERICAL AND PILLAR SYSTEMS
球形和圆柱形系统内分子流场分布的对比研究
circular knit setting machine
圆筒形针织布定形机
The Simulated Distributions of Energy Flowing Density in Circle Waveguide on the Basis of MATLAB Programming;
基于MATLAB编程的圆形波导中能流密度分布图仿真
Stress Distribution Analysis for a Small Space in between the Large Nozzles Structure of Internally Pressured Cylindrical Vessel
圆形筒体小间距大开孔结构的应力分布
ELASTIC-PLASTIC ANALYTICAL SOLUTION OF DEEP BURIED CIRCLE TUNNEL CONSIDERING STRESS REDISTRIBUTION
考虑应力重分布的深埋圆形透水隧洞弹塑性解
duffel/duffle bag
行李袋[圆形大帆布袋]
Flow Velocity Distribution Around Semicircle Cylinder Pier In Rectangular Channel
矩形断面明渠中半圆形边墩周围流速分布特性研究
Test on deformation and reaction of large-area thick raft foundation under framed circular high-rise structure
圆形框筒高层结构大底盘框筏基础变形与反力分布规律试验研究
The NC GaN has a uniform size distribution and spherical shape.
实验发现气凝法生成的氮化镓奈米微粒以均匀的圆球形分布。
ANALYTICAL CALCULATION OF MAGNETIC FIELD DISTRIBUTION AND GRADIENT OF CYLINDRICAL MULTIPOLAR MAGNETIC SEPARATOR
圆柱形多极磁选机磁场分布和场强梯度的解析计算
The superficial comments on the EM field of a steady current of dyons in a circle loop
关于圆形稳恒电磁流回路的电磁场分布问题的初步讨论
Study on Water Distribution Uniformity of Center Pivot and Lateral Move Irrigation Systems Based on Variable Rate Technology;
基于变量技术的圆形和平移式喷灌机水量分布特性的研究