斜形磁极

By Parke Brewer The women's pole vault provided one of the stirring dramas of the 2004 Olympic track and field competition. Until the mid 1990s, women's pole vault was not taken very seriously, mainly

发表于:2018-12-12 / 阅读(83) / 评论(0) 分类 VOA2004(下)--雅典奥运

01-高了吗? Is this too high? 除了高,我们还可以问:Is this too low? 低了吗? 02-直吗?平吗? Is it straight? 除了平,同样可以问:Is it skewed? 歪吗? skewed 歪 03-两边一样高吗? Are they leveled? 问两边

发表于:2018-12-28 / 阅读(71) / 评论(0) 分类 每天三分钟学英语

In 1976, two local art collectors donated their outstanding collection of modern art to the town of Troyes. The works of the artists known as

发表于:2019-01-02 / 阅读(153) / 评论(0) 分类 其他文化

统计学名词词汇 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 infer

发表于:2019-02-03 / 阅读(77) / 评论(0) 分类 英文语法词汇

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(102) / 评论(0) 分类 英文语法词汇

图片1 图片2 图片3

发表于:2019-02-09 / 阅读(170) / 评论(0) 分类 加州语文教材California Treasures G5

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(94) / 评论(0) 分类 英语口译