无偏比估计量

数学英语 41 What are Statistics and Estimators?

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(156) / 评论(0)

数学英语

英语作文怎样复习

作文和听力，阅读一样，可以早做准备。现在流行的复习方法是从下半年复习，甚至是考试前3个月才开始复习。复习的教材无一例外的是考试虫系列的万能作文：背一二十篇作文模式，背一二

发表于:2018-12-12 / 阅读(114) / 评论(0)

英语学习方法

爆笑英语口语第156期:让你开心的几个场景

Language Points 1.Your coffee comes exactly as you like it, with the precisely right ratio of cream to sugar 2.You make all the stop lights when youre in a hurry 3.You come back from the bathroom at a restaurant and your delicious meal is already at

发表于:2018-12-26 / 阅读(124) / 评论(0)

爆笑英语口语

数学英语 26 What is the Golden Ratio

图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t

发表于:2019-01-02 / 阅读(262) / 评论(0)

数学英语

数学英语 14 How to Use the Golden Ratio

图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt

发表于:2019-01-02 / 阅读(293) / 评论(0)

数学英语

电信英语及其缩略语解释-9

CDF Combined Distribution Frame 组合配线架 CDG CDMA（Code Division Multiple Access） Development Group CDMA（码分多址）开发小组 CD-I Compact Disk-Interactive 交互式光盘 CDMA Code

发表于:2019-01-03 / 阅读(160) / 评论(0)

电信英语

英语分类词汇：基金/对冲基金投资

主动式管理 Active Management Calmar 比率 Calmar Ratio Sharpe比率 Sharpe Ratio Sortino比率 Sortino Ratio 入息基金 Income Fund 子基金 Baby Funds/Underlying Funds 已调整风险回报 Risk-adjusted Return 互惠基金 Mutual Fund 公积

发表于:2019-01-03 / 阅读(151) / 评论(0)

英文语法词汇

租房好还是买房好

After nearly twenty years of homeownership, Ive spent the past ten months renting an apartment. I like it. And I dont. There are pros and cons to renting a place, just as there are pros and cons to owning a home. For me, one of the biggest cons is th

发表于:2019-01-08 / 阅读(154) / 评论(0)

英语小短文

词汇积累：你是“拜金族”吗

黄金一直是高品质、美丽和财富的象征。称某种东西为金质的意味着它具有很高的质量和价值。今天我们通过例子来学习一下和golden有关的习语英语词汇吧～ 1.the golden rule 金科玉律；指导原则

发表于:2019-01-17 / 阅读(128) / 评论(0)

英文语法词汇

经济学人49:生个甜甜和香香又何妨

Indias sex ratio is getting worse. The trend can be reversed. 印度的性别比例扭曲越加严重，这个趋势能够逆转 THE news from Indias 2011 census is almost all heartening. Literacy is up; life expectancy is up;family size is stabilisi

发表于:2019-01-26 / 阅读(168) / 评论(0)

经济学人综合

全国购房难度排行北京连续3年位列第一

Looking to buy a house in Beijing? It may not be as easy as you think. 想要在北京买房子？可能不像你想得那么容易啊！ For three years in a row, Beijing has been at the top of the list of housing unaffordability in China. 北京已经

发表于:2019-01-27 / 阅读(112) / 评论(0)

英语新闻

统计学名词词汇

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(140) / 评论(0)

英文语法词汇

China cuts its reserve ratio again

BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up

发表于:2019-02-04 / 阅读(189) / 评论(0)

英语新闻

央行降准降息支持实体经济

The People's Bank of China says the economy is still facing downward pressure. Meanwhile, the global financial market has shown major fluctuations recently. Therefore, the central bank has concluded that it's necessary to apply flexible monetary poli

发表于:2019-02-05 / 阅读(152) / 评论(0)

英语新闻

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(213) / 评论(0)

英文语法词汇

英闻天下——331 China's Unbalanced Sex Ratio and its Ripple Effect

China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem

发表于:2019-02-14 / 阅读(174) / 评论(0)

英闻天下

数据显示一线城市房租领跑全国

Rising property prices in China's major cities have scared off many young people and the situation is only becoming worse as rent in these cities is becoming unaffordable. 中国大城市房价的上涨已经吓跑了许多年轻人，而当这些城市

发表于:2019-02-15 / 阅读(129) / 评论(0)

英语新闻

托福阅读备考之长难句分析

世界本没有长难句，修饰成分多了，便有了长难句。阅读速度大部分来于短时间内理解长难句的能力。大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？

发表于:2019-02-18 / 阅读(160) / 评论(0)

托福英语

翻译考试词汇必备：统计学名词词汇（二）

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(149) / 评论(0)

英语口译

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学英语单词

A-pole

acoustic distortion

adaptive design

aerodynamic(al) turbine

afterlengths

Alpinia japonica

amphibious cargo ship

anti-romanticism

approximate boundary condition

aquina

Aristotlean