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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(135) / 评论(0)

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And you know, along the way in this journey of discovery, I learned a lot. I learned a lot about science. But I also learned a lot about leadership. Now you think director has got to be a leader, you know, leader of, captain of the ship, and all that

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AT Command - This is the character

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A couple of years ago when I was attending the TED Conference in Long Beach, 几年前我参加在长滩TED会议的时候， I met Harriet. 我遇到了哈里特。 We'd actually met online before not the way you're thinking. 实际上我们以前在网

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SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

发表于:2019-01-08 / 阅读(184) / 评论(0)

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True, he had not the qualities of social humor or wit, but he was an example of indefatigable industry. 实际上，他天生没有幽默感，也不会说俏皮话，可他是这一行业不辞辛苦劳作的典范。 He came to his studies every mo

发表于:2019-01-10 / 阅读(196) / 评论(0)

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voa标准英语2008-Scotland Promotes Whiskey as a Weapon Against Po

Scotch whiskey is said, by some, to have many magical qualities. Now, scientists in Scotland have discovered one more: it can be a weapon against polluted waste sites. A by-product of the spirit is 99.96 percent effective in cleaning contaminated gr

发表于:2019-02-05 / 阅读(131) / 评论(0)

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学英语单词

abrasive resistant material

acrylic emulsion binder

adipopexia

aerodynamic parameter

Albarran's gland

alimentary an(a)emia

anthrone intermediate

aortic occlusion

asterina microspora

average atmospheric condition

Azay-le-Ferron