Methods To collect the record of fateful and great railway injuries in China from 1990 to 2000,and analyze the data by circular distribution and chi square test.

收集 1990～ 2 0 0 0年全路客欧美色欧美亚洲另类二区多人、貨運輸重大、大事故記錄資料尤物A片毛在线视频免费观看，應(yīng)用圓形分布等統(tǒng)計分析方法免费费一级真人A片。

Empirical distribution function ; mean of residual life function ; esti mation minimum distance ; estimation minimum chi-square

經(jīng)驗分布函數(shù)；剩余期望函數(shù)精品国产99久；最小距離估計手机免费看黄在线高清视频；卡-方估計

Methods We enrolled 551 vitiligo patients with psychological problems from total 7443 patients with vitiligo after investigating sexuality, profession, area of lesions, distribution, reactiveness and typing by filling out the epidemiological questionnaire, and then we analyzed the correlation of psychological problems and clinical manifestations. Statistical analyses were performed using SPSS-13.0 software, and the data were analyzed by Chi-square test and variance analysis.

采用統(tǒng)一制定的流行病學(xué)調(diào)查表，調(diào)查員對白癜風(fēng)患者進行面對面同等細致詢問亚洲天堂aⅴ在线，就其性別免费久久视频、職業(yè)、皮損面積中文黄色字幕网站、單雙側(cè)分布国产精品国产国产AⅤ、皮損的活動性及分型等情況進行調(diào)查，并讓患者自身評價其心理狀況日韩av三级片，從7 443例患者中篩選出551例自覺有心理問題的患者，分析上述臨床資料與心理問題的相關(guān)性黄片免费区。

Results The distribution of the curative effect is verified by Wilcoxon signed rank test（P .01）.There are significant statistical differences of the two groups; the cure rates（72.97% vs 15.38%）and the total effective rates（94.59% vs 73.08%） of two groups are verified by contingency table chi square test（P.01 vs P.05 ）, There are all significant statistical differences.

結(jié)果 治療組和對照組經(jīng)Wilcoxon符號秩和檢驗（P＜0.01）真人一进一出抽搐gif免费404，差異有顯著性，兩組治療方法的療效分布不同欧美美女在线看；對兩組的治愈率（72.97%和15.38%）和總有效率（94.59%和73.08%）分別采用四格表χ2檢驗（P＜0.01和P＜0.05 ）变态自拍日韩欧美在线观看视频网站，差異均有顯著性。

Further, the mean weight of each size of bean was used to predict the egg distribution on different sizes of hosts, and Chi-square test was applied to test the goodness of fit between the observed and predicted distributions.

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the article examines the characteristics of foreign exchange returns distribution,coupling with kinds of foreign exchange datas, figures out parameters of model by using variance gamma model.the empirically results ofkolmogorov-smirnov test and goodness of fit chi-square test shows that v.g.

本文運用方差gamma模型對外匯收益分布特征進行對比擬合分析，并結(jié)合幾種被選匯率數(shù)據(jù)對模型參數(shù)進行估計自拍灌醉迷j系列在线观看。ks檢驗和卡方擬合優(yōu)度檢驗的實證結(jié)果表明v.g,,草草影院欧美视频。

The study needs enterovirus infections data in Taiwan from 1999 to 2005. The sources of data include the sentinel surveillance system, the Notifiable disease reporting system and the contract lab data. Statistical methods used for the analysis of seasonal variation include graphics, chi-square test for goodness of fit, method of decomposition and circular distribution.

使用之研究材料為1999年至2005年臺灣腸病毒的監(jiān)測資料，包括定點醫(yī)師於每周報告之手足口病與疹性咽峽炎病例色色亚洲视频、法定傳染病中應(yīng)報告的腸病毒感染并發(fā)重癥確定病例與病毒性感染癥合約實驗室之腸病毒感染檢驗陽性病例91精品国产91热久久久久福利，分別應(yīng)用繪圖、卡方適合度檢定www.99riav.com-、分解法與圓形分布法進行分析久久夜色精品国产高清不卡。

It was proved by Chi-square test that the number of observation of F2 individuals for the density of glandular trichome could fit the normal distribution, indicating the genetic charactistics of the density of glandular trichome as a quantitative trait.

不同親本腺毛密度的一般配合力方差和不同組合的特殊配合力方差均達到了1%極顯著水平；中煙90和8136的一般配合力效應(yīng)較大国产.www，潘園黃×中煙90情网址、潘園黃×RG17、8136×紅大和紅大×RG17的特殊配合力效應(yīng)較大麻豆精美视频。

Intra-/inter-specific spatial pattern: Four distribution measurements (variance/mean ratio, chi-square test, Clark-Evans index and Haberman residual analysis) were used.

分布格局分析采用四種方法：方差均值比欧美精品品综合一区二区、x〓檢驗另类视频区第1页、Clark-Evans指數(shù)和Haberman剩余分析，前2種屬樣方法午夜催催精免费福利视频，后2種屬無樣地法欧美黑人大战白妞。

Methods The data of accidents from 1963 to 2002 were collected and analyzed by circular distribution and chi-square test.

收集196 3～2 0 0 2年間某鐵路局管內(nèi)道口事故記錄的數(shù)據(jù)，應(yīng)用圓形分布等統(tǒng)計分析方法99黄色视频在线观看高清资源在线观看。