单词:quasidisorder
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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?
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.
Broadcast: May 6, 2003 By Caty Weaver VOICE ONE: I'm Sarah Long with Bob Doughty, and this is the VOA Special English program, SCIENCE IN THE NEWS. VOICE TWO: Today, we talk about some disorders of th
The Lanzhou Railway Bureau is offering discounted sleeper tickets on 19 short-distance train journeys. This is the first price adjustment since the Ministry of Railways was dismantled to make way for market fluctuations in ticket pricing. Since the e
今天我们要学的词是disorder。 Disorder, 有失调,疾病的意思。美国全国睡眠基金会的研究发现, The study found that watching television, playing video games, or checking emails before going to bed might be causes for sle
How To Prevent Seasonal Mood Disorder When the winter season arrives, the days begin to get shorter and shorter. During seasonal shifts, it is not uncommon for people to experience alterations in their moods. Commonly, negative feelings and attitudes