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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?
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.
Scientific American(十)月
The Basque separatist group ETA has declared a permanent ceasefire. The group has waged a violent campaign to form an independent state in northern Spain and southwest France. A video posted on the website of Basque newspaper Gara shows masked people
VOA标准英语2011年(一月)
Astronauts(宇航员) aboard the International Space Station have installed a new permanent storage unit, creating an additional 70 cubic meters of cargo space and a new venue in which to conduct experiments. Crew members on Tuesday used the space st
英语新闻
Chicago Protesters Look for Permanent Home Violence has flared up again in Oakland, California, where police and Occupy protesters have clashed. However, the protests around the country have been largely peaceful, including in the city of Chicago, wh
VOA标准英语2011年(十一月)
今天我们要学的词是 permanent. Permanent 永久性的。British Finance Minister George Osborne warned voters that leaving the European Union would do permanent damage to the British economy. 英国财政大臣奥斯本警告英国选民，离开
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