经验方差,样本方差

Pienso En Ti Enrique Iglesias

安立奎范逸臣主打歌百慕达原曲! 专辑累积销售超过3000万张拉丁流行巨星安立奎 Billboard拉丁榜冠军大碟《也许》中之流行劲歌 Vocal:Enrique Iglesias Cuando siento que mi vida se desliza y la soledad me come dia a dia, Pienso en ti... Pienso en ti... Cuando el

发表于:2018-11-29 / 阅读(223) / 评论(0)

史上最强的十七首英文冠军单曲

听电影学英语-天气预报员 10

[0-1:59.18]Do you know that the harder thing to do and the right thing to do... 你知不知道：难做的事和应该做的事．．． [00:04.98]are usually the same thing? 往往是同一件事？ [00:07.98]Nothing that has meaning is easy. 凡是有

发表于:2018-12-07 / 阅读(106) / 评论(0)

听电影学英语-天气预报员

听电影学英语-天气预报员 13

[00:06.86]We'll let you know. 我们会通知你的 [00:26.98]-Russ is here. -Okay. -拉斯在这儿 -好 [00:29.74]-Where's Mike? -lnside. -迈克呢？ -在里面 [00:38.90]-Dave. -Hi, Russ. -戴维 -嗨，拉斯 [00:39.70]He's upstairs. He's still

发表于:2018-12-07 / 阅读(153) / 评论(0)

听电影学英语-天气预报员

VOA慢速英语2016 美国死于雷击人数创2010年以来新高

AS IT IS 2016-08-30 Deaths From Lightning Strikes in US at Highest Since 2010 美国死于雷击人数创2010年以来新高 Two people in the United States died over the weekend after they were struck by lightning. 本周，美国有两人被闪电击

发表于:2018-12-08 / 阅读(71) / 评论(0)

2016年VOA慢速英语(八)月

【突破英文词汇】有关disagreement“不一致”的词汇(2/2)

1. antagonize /n'tɡənaɪz/ vt. 对立 The official antagonized the leader of his own party by accusing him of cowardice. 那位官员谴责自己党内的领导人怯懦，与他产生敌对。 2. dissent /dɪ'sent/ vi. 反对 The vote approving th

发表于:2018-12-30 / 阅读(127) / 评论(0)

突破英文词汇

胡敏读故事记单词托福词汇230

230. Venturing outside the major大胆尝试专业以外的领域 varied-venture A variety of options exist for todays college graduates. This is at variance with the situation of those in past generations. Most bosses seek a varied work force. There

发表于:2018-12-30 / 阅读(72) / 评论(0)

胡敏托福词汇记单词

英语四级同形异义词辨析10

英语四级同形异义词辨析10 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(77) / 评论(0)

四六级词汇与结构练习

英语四级同形异义词辨析01

英语四级同形异义词辨析01 第一单元复习 1. Dont this news to the public until we give you the go-ahead A) release B) relieve C) relate D) retain 2. We are interested in the weather because it us so directly what we wear, what we do, an

发表于:2019-01-03 / 阅读(86) / 评论(0)

四六级词汇与结构练习

VOA标准英语2012--Earth-Conscious Hotel Guests Re-Use Towels

Earth-Conscious Hotel Guests Re-Use Towels You - yes, you - can save the planet. That message is being spread across America - not by environmental activists but by ordinary business men and women, families on vacation, truckers and salespeople who w

发表于:2019-01-09 / 阅读(87) / 评论(0)

VOA标准英语2012年(一月)

英语歌曲:Pienso En Ti

Pienso En Ti 群星 Compilation [ | 大碟 | MV ] One 第 2 首环球2003年5月 Vocal:Enrique Iglesias Cuando siento que mi vida se desliza y la soledad me come dia a dia, Pienso en ti... Pienso en ti... Cuando el frio me llena el alma me congela y

发表于:2019-01-10 / 阅读(159) / 评论(0)

英语歌曲收藏之一

财富精英励志演讲第128期:未来的路(3)

And yet, in spite of that, artificial life support has been successful. Barely a year after the bankruptcy of Lehman Brothers, financial markets have stabilized, stock markets have rebounded, and the economy is showing signs recovery. People want to

发表于:2019-01-18 / 阅读(92) / 评论(0)

财富精英励志演讲

绿箭侠第一季第45期:火车道上的审问

I've got one question. 我有个问题 Why am I being fired? 我为什么被解雇了 Ms. Smoke, isn't it? Yes. 你是斯莫克小姐，对吗，是我 And I am without a doubt 我毫无疑问是 the single most valuable member of your technical divi

发表于:2019-01-29 / 阅读(90) / 评论(0)

绿箭侠第一季

How to Safeguard Your Income

How to Safeguard Your Income Im a big believer in diversification. Putting all your eggs in one basket is dangerous, especially in your personal finance. Diversification is a good way to reduce your risks. The question is how we should go about diver

发表于:2019-01-31 / 阅读(156) / 评论(0)

阅读空间

我国29省份出台户籍改革方案部分地区放宽落户条件

The reform of the housing registration, or hukou system, has been under way in most regions in China following the State Council's call to establish a unified household registration system for urban and rural residents in a document issued in 2014. 继

发表于:2019-02-03 / 阅读(75) / 评论(0)

英语新闻

经济学人259:直到死神将我们分开

Science and technology 科学技术 HIV and AIDS 人体免疫缺陷病毒和获得性免疫缺陷综合征 Till death do us part 直到死神将我们分开 Putting numbers on infidelity 细数出轨之罪 ONE of the problems of dealing with a sexual

发表于:2019-02-05 / 阅读(112) / 评论(0)

经济学人科技系列

统计学名词英语单词

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(132) / 评论(0)

英文语法词汇

英文原版对话1000个:816 Band Routine

Todd: So, Eoin, we're talking about you playing this weekend. You're going to play in two cities. What's the set-up like? What's the routine like when you go to a club? Like how soon must you be there? You know, how long do you play, etc.? Eoin: Yeah

发表于:2019-02-06 / 阅读(65) / 评论(0)

原版英语对话1000个

Short-term memory loss may predict Alzheimer's

BEIJING, Sept. 6 (Xinhuanet) -- A short-term memory loss may suggest the Alzheimer's disease, according to a new study made by Spanish researchers. The finding was published on Monday, in Archives of General Psychiatry, an American Medical Associatio

发表于:2019-02-07 / 阅读(99) / 评论(0)

英语新闻

浅谈GRE作文怎样写句子

我原来曾经给我的一个同学改作文，发现她经常写一些让我感觉哭笑不得的句子。例如： At the first glance， the argument seems sound， but with a further look， I find it problematic. 前半句是忠实引用，后半

发表于:2019-02-09 / 阅读(117) / 评论(0)

GRE作文

英语听力文摘 English Digest 278、形态各异的狗

Mans Best Friendin All Shapes and Sizes Scientists are making great strides in understanding the genes that allow such a wide range of shapes, sizes and personalities in different dog breeds. Did you know domestic dogs were bred from wolves about 15,

发表于:2019-03-09 / 阅读(135) / 评论(0)

英语听力文摘 English Digest

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Afanasy Nikitin Seamount

agrarian outrage

aluminium-barium chart

aquavion-type foil

ascaridoses

aspiration pulmonary edema

asymmetrical-side-band transmission