音标:[kwəsɪdɪsd'ʒʌŋkʃn] ;
n.拟折取式

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(318) / 评论(0) 分类 数学英语

III. Listening In Task 1: A Friendly Stylist Stylist: Morning, sir. This chair, please. What can I do for you? Nick: A simple haircut: short on the back and sides. Stylist: Very good. I can, of course, do something fashionable for only $60. Nick: 60

发表于:2018-12-29 / 阅读(214) / 评论(0) 分类 新视野大学英语:视听说教程 4

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(428) / 评论(0) 分类 Scientific American(十)月
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