Repeatedly sampled brands (n=15) were compared via Wilcoxon signed rank tests.
重复采样的品牌（n＝5）通过魏克森讯号等级检定进行比较。
Deke Arndt of the National Climatic Data Center in Asheville N. C. noted that 2009 will rank among the 10 warmest years for Earth since 1880.
位于北卡罗来纳州艾西·维尔市的国家气象数据中心的德科·阿恩特指出，2009年将是自1880年以来气温最高的十年之一。
Homogeneous linear equations of n-variables have the non-zero solutions when the rank of its matrix is less than n.
在线性方程组有解判别定理的基础上，给出了一个判定非齐次线性方程组存在全非零解的方法。
The generative rule of arbitrary N-rank K-regular simple graph is studied, and the method of recursively generating arbitrary N-rank K-regular graph from the simple complete graph is put forward.
研究了任意N阶k正则简单图的生成法则，提出了由简单完全图递归生成任意N阶k正则图的方法。
The generative rule of arbitrary N-rank K-regular simple graph is studied, and the method of recursively generating arbitrary N-rank K-regular graph from the simple complete graph is put forward.
研究了任意N阶k正则简单图的生成法则，提出了由简单完全图递归生成任意N阶k正则图的方法。
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