最佳独立抽样数据

How to Improve Your Study Habits

Lesson 16 How to Improve Your Study Habits Text A Maybe you are an average student with an average intellect.You pass most of your subjects. You occasionally get good grades, but they are usually just

发表于:2018-11-27 / 阅读(572) / 评论(0)

中级口语教程

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(175) / 评论(0)

数学英语

新东方背诵文选 L43.Statistics

There were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to keeping orderly records of government units (states and statist

发表于:2018-12-15 / 阅读(315) / 评论(0)

新东方背诵文选

VOA常速英语2016--科学家警告人工智能对人类的利与弊

Scientists Warn AI Can Be Dangerous as Well as Helpful to Humans 科学家警告人工智能对人类的利与弊 LOS ANGELES Artificial intelligence, or AI, no longer simply exists in science fiction movies and books. Scientists warn AI has and will

发表于:2018-12-16 / 阅读(143) / 评论(0)

VOA标准英语2016年(五月)

机器人海洋车探索凯尔特海

Robotic Marine Vehicles Explore Celtic Sea 机器人海洋车探索凯尔特海 Scientists in England are using two autonomous marine vehicles to explore the hydrology and biology of the Celtic Sea, an area off Ireland's southern coast defined by its

发表于:2018-12-16 / 阅读(135) / 评论(0)

VOA标准英语2015年(十月)

VOA标准英语2014--Drones May Soon Send Data From High Seas 无人机可能很快从公海传回数据

Drones May Soon Send Data From High Seas 无人机可能很快从公海传回数据 Drones are usually associated with unmanned flying vehicles, but autonomous watercraft also are becoming useful tools for jobs ranging from scientific exploration to

发表于:2018-12-16 / 阅读(114) / 评论(0)

VOA标准英语2014年(四月)

跟Susan一起学美语第34期:苏珊的心灵小语(4)

4. From time to time , I ask those I love, How can I love you more? Enduring loving relationships brighten my life. I am pain free and totally in sync with life. I return my body to optimum health by giving it what it needs on every level.

发表于:2018-12-16 / 阅读(160) / 评论(0)

跟Susan一起学美语

外贸服装口语第87期:样品之情景对话

Sample 样品S: Salesclerk 售货职员 C: Customer 顾客情景对话 Dialogue对话1C: (Holding out a photo) Do you have something like this?（拿出一张照片）你有像这样的东西吗？S: Yes, we do. Just a moment, please. I'll go and bri

发表于:2018-12-26 / 阅读(133) / 评论(0)

外贸服装口语

【轻松英文阅读】再也不怕丢东西了

Do you have trouble keeping up with your things? Are you constantly misplacing items and wasting your precious time hunting for them? Then the Lapa may be what you need. Lapas communicating The Lapa is a device that you attach to something you dont w

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轻松英文阅读

考研背诵50篇——43.Statistics

发表于:2018-12-30 / 阅读(129) / 评论(0)

考研背诵50篇

数学英语 07 How to Calculate Median Values

by Jason Marshall In the last article, we learned that there are several ways to calculate the average value of a sample of data. We focused on one such method, the arithmetic mean, and used it to calculate the average number of potato chips in a bag

发表于:2019-01-02 / 阅读(225) / 评论(0)

数学英语

VOA慢速英语2014 艺术家为无家可归的流浪者打造小房子

Artist Creates Homes for the Homeless 艺术家为无家可归的流浪者打造小房子 Welcome to American Mosaic from VOA Learning English. Im Caty Weaver. An artist in Oakland, California is using his skills to help the homeless. Greg Kloehn bui

发表于:2019-01-12 / 阅读(180) / 评论(0)

2014年VOA慢速英语(十)月

VOA常速英语206--科学家警告人工智能对人类的利与弊

科学家警告人工智能对人类的利与弊 From the personal assistant Siri, to doing searches on the Internet, to the autopilot function, simple artificial intelligence, or AI, has been around for some time, but is quickly getting more complex

发表于:2019-01-14 / 阅读(143) / 评论(0)

VOA标准英语2016年(五月)

英语口语教程（Oral Workshop）--中级 Lesson 16

发表于:2019-01-14 / 阅读(372) / 评论(0)

英语口语教程（Oral Workshop）--中级

2016年CRI China to launch first quantum communication satellite

Quantum communication boasts ultra-high security as a quantum photon can neither be separated nor duplicated. It is hence impossible to wiretap, intercept or crack the information transmitted through it. Anton Zeilinger, an Austrian physicist at the

发表于:2019-01-19 / 阅读(205) / 评论(0)

2016CRI中国国际广播电台

美国国家公共电台 NPR Self-Driving Cars Raise Questions About Who Carries Insurance

STEVE INSKEEP, HOST: Last month, a car using self-driving features crashed with a human driver. That accident in Tempe, Ariz., did not result in any major injuries, but it did highlight new issues for the auto insurance industry. NPR's Yuki Noguchi a

发表于:2019-02-13 / 阅读(152) / 评论(0)

2017年NPR美国国家公共电台4月

专业术语-财务英语词汇O8

operating revenue 营运收入；营业收益 operating services account 营运服务帐目 operating statement 经营收支表；营业损益表 operating surplus 经营盈余；营业盈余 operatio

发表于:2019-02-17 / 阅读(150) / 评论(0)

财会英语

2016年CRI China Releases First-batch Images Captured by Gaofen-4 Satellite

The State Administration of Science, Technology and Industry for National Defense released 17 pictures captured by Gaofen-4 on Wednesday, covering an area of at least 400 kilometers. The project's chief designer, Tong Xudong, said Gaofen-4 is in good

发表于:2019-02-21 / 阅读(203) / 评论(0)

2016CRI中国国际广播电台

2005年考研新增词汇详解-14

obsession n.迷住, 困扰 obstruct v.阻隔, 阻塞, 遮断(道路、通道等) n.阻碍物, 障碍物 opt vi.选择 optimum n.最适宜 adj.最适宜的 option n.选项, 选择权, /经/买卖的特权

发表于:2019-02-25 / 阅读(255) / 评论(0)

考研英语

强烈推荐考研高频词汇三-O/P

发表于:2019-03-11 / 阅读(307) / 评论(0)

考研英语

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asymptotically unbiased most powerful test