数学英语 23 What are the Range and Standard Deviation?

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(71) / 评论(0)

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高级英语听力 lesson 27

The Soviet news agency TASS reports that an American cancer researcher has defected to the Soviet Union. According to TASS, Arnold Loskin, his wife and three children arrived in Moscow today after being granted political asylum. TASS said Loskin has

发表于:2018-12-27 / 阅读(217) / 评论(0)

高级英语听力

英文原版对话1000个:807 Alaska

Todd: So, Asako, you lived in the United States for a long time. Asako: For six years. Todd: That's a pretty long time. Asako: That's right. Todd: Where did you live? Asako: I lived in Alaska. Todd: Alaska. Asako: That's right. Todd: The last frontie

发表于:2019-01-11 / 阅读(60) / 评论(0)

原版英语对话1000个

VOA慢速英语2012 Economics Report - How Gold Became the Gold Standard for Trade

Economics Report - How Gold Became the Gold Standard for Trade 经济报道 - 黄金是如何成为贸易金本位的？ This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 The best example of something

发表于:2019-01-12 / 阅读(63) / 评论(0)

2012年VOA慢速英语(四)月

美国国家公共电台 NPR In This Alaska Family, Life Lessons Are Passed Down On The Water

MELISSA BLOCK, HOST: In southeast Alaska, the commercial king salmon fishing season was temporarily shut down this spring. That's because the numbers of wild salmon returning to spawn are at an all-time low, and that's worrisome news for those who ma

发表于:2019-01-17 / 阅读(37) / 评论(0)

2017年NPR美国国家公共电台6月

美国国家公共电台 NPR Alaska Fishermen Hauling A Bigger Catch With Gear They Get To Use For The First Time

LULU GARCIA-NAVARRO, HOST: Alaska's halibut and black cod fishermen are in a food fight with killer whales. But some fishermen are now using a new piece of gear that prevents the whales from stealing their catch. From member station KBBI in Homer, Al

发表于:2019-01-17 / 阅读(34) / 评论(0)

2018年NPR美国国家公共电台12月

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alum flower

aluminium gold

amphicoelous vertebrae

analytic quadratic differential

anti-hunt circuit

attention-deficit hyperactivity disorder