un. 常数方差
[网络] 恒常变異；持续变異；变异数

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(154) / 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(211) / 评论(0)

听电影学英语-天气预报员

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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(136) / 评论(0)

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Countdown to the Olympics,the Beijing Zoo introduces eight Olympic pandas that will be on display through this summer's games.Visitors waited in long lines to buy tickets to the renovated panda hall at the zoo where the animals will be held in a newl

发表于:2018-12-11 / 阅读(158) / 评论(0)

万花筒2008年

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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(173) / 评论(0)

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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

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胡敏托福词汇记单词

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发表于:2019-01-03 / 阅读(127) / 评论(0)

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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(156) / 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(127) / 评论(0)

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The only constant is change The only constant is change, go The human heart is born without legs Sliding back and forth And never once does it truly rest Unless accompanied by death Sliding back and forth Even the strongest Remnants of history They h

发表于:2019-01-10 / 阅读(184) / 评论(0)

英文摇滚歌曲

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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(136) / 评论(0)

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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(140) / 评论(0)

绿箭侠第一季

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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(210) / 评论(0)

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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(116) / 评论(0)

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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(154) / 评论(0)

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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(227) / 评论(0)

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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(103) / 评论(0)

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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(155) / 评论(0)

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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(158) / 评论(0)

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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(178) / 评论(0)

英语听力文摘 English Digest

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actual operation

agreges

algebraically equivalent

bis-(2-chloroethylthioethyl)ether