协方差(矩)阵估计

Decoding The Matrix Carrie-Anne Moss (“Trinity”) : It’s very rare that you actually get to 1) merge what you do with what you believe in. The Matrix: we had a life changing experience making it

发表于:2018-11-28 / 阅读(240) / 评论(0) 分类 疯狂英语2003年

M:Hello 大家好 我们是戴尔老师 Peter W:Nancy. M:Nancy, it's good to see you here. W:It's good to see you too,Peter. M:今天我们要谈的是找工作的话题。 W:Today we're going to talk about applying, application and applicant. M: 我们想去外企求职就说 W:I'm

发表于:2018-12-02 / 阅读(134) / 评论(0) 分类 英语口语红宝书

[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(145) / 评论(0) 分类 听电影学英语-天气预报员

[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(201) / 评论(0) 分类 听电影学英语-天气预报员

At first, there seem to be so many unknowns that the problem appears to be unsolvable. 乍一看存在太多未知的信息,这个问题根本无法回答。 That is the perfect application for a power-of-10 estimation, as we don't need an exact an

发表于:2018-12-18 / 阅读(111) / 评论(0) 分类 TED演讲教育篇

作战篇 NO.5: 兵法:一曰度,二曰量,三曰数,四曰称,五曰胜。 地生度,度生量,量生数,数生称,称生胜。 这句啥意思: 兵法:一是度,即估算土地的面积,二是量,即推算物资资源的

发表于:2018-12-29 / 阅读(123) / 评论(0) 分类 孙子兵法

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(160) / 评论(0) 分类 突破英文词汇

本周日(5月13日)就是母亲节了,你想好用什么方式向母亲表达爱意了吗?要是还没想好,不如就跟小编一起学几个由mother(母亲)一词演化出来的英语单词吧。然后讲给妈妈听,妈妈看到这

发表于:2019-01-08 / 阅读(191) / 评论(0) 分类 节日英语

这位求职者想在饭店找份工作,面试官询问了两个问题后便让他回家等通知了,请看下面的英语情景对话。 employer: Hey,bro,what's up? 嘿,哥们,怎么啦? applicant: Hi,I wanna to seek for a position in you

发表于:2019-01-08 / 阅读(229) / 评论(0) 分类 面试英语

如何巧妙地询问面试结果? 每个求职者在面试过后,都希望能尽快知道自己是否被录用。但是如果迟迟没有得到结果,那么最好就要打个电话过去问问清楚了。 Im just calling to follow up on the st

发表于:2019-01-17 / 阅读(193) / 评论(0) 分类 实用英语

如何巧妙询问面试结果? 每个求职者在面试过后,都希望能尽快知道自己是否被录用。但是如果迟迟没有得到结果,那么最好就要打个电话过去问问清楚了。 Im just calling to follow up on the statu

发表于:2019-01-17 / 阅读(173) / 评论(0) 分类 实用英语

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(201) / 评论(0) 分类 阅读空间

今天我们要学的词是authorized。 Authorized, 是指经过授权的。An authorized agent, 就是授权代理。最近,美国联邦政府把伊利诺伊州政府告上了法庭。The state wants to bar employers from using a federal database

发表于:2019-02-02 / 阅读(132) / 评论(0) 分类 英语每日一词

今天我们要学的词是, authorized。 Authorized, 是指经过授权的。An authorized agent, 就是授权代理。最近,美国联邦政府把伊利诺伊州政府告上了法庭。The state wants to bar employers from using a federal databa

发表于:2019-02-02 / 阅读(127) / 评论(0) 分类 英语单词荟萃

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(148) / 评论(0) 分类 经济学人科技系列

We Need Two of Those Do you need any typists? asked a young man seeking a job. No, said the personnel director checking the list. We have got plenty of typists. How about file clerks? asked the man. Sorry, we have many file clerks, too. Disgusted, th

发表于:2019-02-07 / 阅读(154) / 评论(0) 分类 趣味英语

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(148) / 评论(0) 分类 GRE作文

The Wolf and the Lion A wolf,roaming by the mountain's side,saw his own shadow,as the sun was setting,become greatly extended and magnified,and he said to himself,Why should I being of such an immense size,and extending nearly an acre i

发表于:2019-02-09 / 阅读(168) / 评论(0) 分类 趣味英语

typhoon n. 台风 rainstorm n. 暴风雨 air traffic control 航路交通管制 mechanical problems 机械故障 airport runway congestion 机场跑道繁忙 unfavourable weather conditions 天气原因不符合起飞标准 heavy fog 浓雾 heavy sno

发表于:2019-02-16 / 阅读(102) / 评论(0) 分类 早安英文

1. Matrix 母体;基础 这个单词由拉丁语母亲(mater)演变而来。matrix起初的含义是子宫(现已过时)。它现在通常指事物发展或形成的环境或一系列条件。 2. Metropolis 大都市 在古希腊,metropol

发表于:2019-02-18 / 阅读(163) / 评论(0) 分类 英语美文