分集介绍:如何应用波动和矩阵估计方法进行组合证券投资选择?本集讲述了应用波动和矩阵估计方法进行组合证券投资选择的方法。教授主要围绕如何选择最佳投资组合、如何使用高频数据

发表于:2018-12-09 / 阅读(252) / 评论(0) 分类 第二届金融与统计学大会

Chart-topping boy band Westlife Westlife have had amazing success in the UK and around the world, but did you know that the Irish boy band have now become the most successful chart act in the UK since the Beatles? They have just clocked up their thi

发表于:2019-01-02 / 阅读(85) / 评论(0) 分类 Take Away English

Students who listened to different chords rated as more pleasing the ones that westerners think of as harmonious, the individual notes of which have definite mathematical relationships 【英文文本】 Why do some chords sound sweet but others make

发表于:2019-01-02 / 阅读(82) / 评论(0) 分类 60秒科学

2010格莱美最佳乡村组合:Lady Antebellum I Run to You是美国乡村音乐组合Lady Antebellum的首张同名专辑曲目,也是该组合的第一支冠军单曲,在日前结束的第52届格莱美音乐奖上,Lady Antebellum凭借I R

发表于:2019-01-03 / 阅读(64) / 评论(0) 分类 格莱美获奖歌曲

2010格莱美最佳乡村组合:Lady Antebellum I Run to You是美国乡村音乐组合Lady Antebellum的首张同名专辑曲目,也是该组合的第一支冠军单曲,在日前结束的第52届格莱美音乐奖上,Lady Antebellum凭借I R

发表于:2019-01-10 / 阅读(63) / 评论(0) 分类 经典英文歌曲

One young man recently attracted a crowd of students at Renmin University when he publicly announced his love for another young man. As pictures of the scene were shared on Weibo, the two lovebirds drew mixed reactions. 日前,中国人民大学一位

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 英语新闻

讲解 今天我们要聊的这个razor不是用来刮脸的,而是用来腿部美容!- 刮!腿!毛! So, a surprising new study has concluded that almost half of modern-day men are now shaving their legs - be it with a razor or trimmers (修剪

发表于:2019-01-17 / 阅读(54) / 评论(0) 分类 英语悠选脱口秀

考场上时间太紧怎么办?顺序找找不到怎么办?自从走上讲台以来,已有无数的VIP学员向我提出了这样的问题。无疑,对于大量的小烤鸭们来说,走上考场面对3篇长近1000字的文章和40道题,才发

发表于:2019-01-18 / 阅读(108) / 评论(0) 分类 雅思英语

英文歌词: Killing Me DJ Killing me DJ with another sad song KIlling me with another sad love song I'm ten feet under now Singing whoah whoah yeah yeah... I'm gonna burn your letters th emorning Put all our landing picture in a box But till then I ju

发表于:2019-02-02 / 阅读(117) / 评论(0) 分类 音乐咖啡厅

为何女生多时男生英语成绩差 Boys' English gradesare up to a tenth worse when high numbers of girls are in the class with them, though girls' grades are unaffected。 当班上女生人数较多时,男生的英语成绩要下降10%,而

发表于:2019-02-04 / 阅读(55) / 评论(0) 分类 阅读空间

Recently a group of photos showing a birthday celebration went viral online. In the photos, what looks like hundreds of male students are holding a birthday party for just one girl. 近日,一组庆生的照片在网上被疯传。在照片中,几百

发表于:2019-02-04 / 阅读(47) / 评论(0) 分类 英语新闻

讲解 Todays key word is Sign Sign 符号;迹象 A sign is a mark that always has a particular(特别的) meaning. Here is an example: Do you know the signs if a guy like you? 你知道男生喜欢你时的表现吗? I mean, seriously! Do you kn

发表于:2019-02-05 / 阅读(56) / 评论(0) 分类 英语悠选脱口秀

2010格莱美最佳乡村组合:Lady Antebellum Lady Antebellum I run from hate I run from prejudice I run from pessimists But I run too late I run my life Or is it running me Run from my past I run too fast Or too slow it seems When lies become th

发表于:2019-02-07 / 阅读(59) / 评论(0) 分类 好听的英文歌曲

With the 2012 London Olympics approaching, the song, The Gold Medal in Ones Heart has been released to raise excitement for the games. The song was performed by Olympic gymnastics champion Li Ning, the head coach of Chinas badminton team Li Yongbo, a

发表于:2019-02-07 / 阅读(118) / 评论(0) 分类 英语新闻视频

1. She loves Korean dramas so much she makes regular trips to Korea Id wonder if she sees anything good in Japanese men! man in his twenties 1. 她热衷看韩剧,并且定期去韩国旅行。 男生说:咱日本爷们有啥不好的她就看不到

发表于:2019-02-08 / 阅读(53) / 评论(0) 分类 实用英语

As Amy Winehouse once said: Love is a losing game . 歌手艾米`怀恩豪斯曾经说过:爱是一场注定失败的游戏。 It certainly is for a young man from Guangzhou, China, who was put down in near Shakespearean tragedy. 这句话对来自中

发表于:2019-02-08 / 阅读(50) / 评论(0) 分类 实用英语

There are still a lot of ladies out there who believe it is, well, unladylike to ask out a man. Why is this still a thing? We can be strong and career-driven but we still have to wait around and hope a man asks us out in order to go on a date? That's

发表于:2019-02-09 / 阅读(53) / 评论(0) 分类 英语笔译

夸赞某男生长得帅,一般都先想到的是handsome,但是你知道吗?美国人常说的却是:Hes so cute. 有的同学可能会说cute是用来形容可爱的美眉或小孩子的,比如在cute kitten,cute dog,cute baby等中它均

发表于:2019-02-13 / 阅读(62) / 评论(0) 分类 实用英语

Boys' English grades are up to a tenth worse when high numbers of girls are in the class with them, though girls' grades are unaffected. 当班上女生人数较多时,男生的英语成绩要下降10%,而女生们的成绩则不受影响。 Boys

发表于:2019-02-14 / 阅读(49) / 评论(0) 分类 阅读空间

Girls make boys worse at English, says new study 研究发现:女生是男生糟糕英语成绩的元凶 Boys' English grades are up to a tenth worse when high numbers of girls are in the class with them, though girls' grades are unaffected. 研究发

发表于:2019-02-16 / 阅读(52) / 评论(0) 分类 阅读空间