单词：quasisymmetries
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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(201) / 评论(0)
数学英语
数学英语
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(290) / 评论(0)
Scientific American(十)月
Scientific American(十)月
4. Most striking among the many asymmetries evident in an adult flatfish is eye placement： before maturity one eye migrates，so that in an adult flatfish both eyes are on the same side of the head. (3+) 在一条成年比目鱼身上显著存在的诸
发表于:2019-02-01 / 阅读(147) / 评论(0)
GRE英语
GRE英语