[网络] 秋季卫星

数学英语 23 What are the Range and Standard Deviation?

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(72) / 评论(0)

数学英语

舞曲狂欢:September - Satellites

歌曲： Satellites 艺人：September 音乐星级： ★★★★★ 所属专辑：Gold 发行年代：2008 风格：Pop Dance 相关介绍：September原名Petra Eos Marklund，出生于瑞典首都斯德哥尔摩。September在年仅12岁的时候就已经开始了她的音乐生涯，她曾任摇滚乐队的女主

发表于:2018-12-14 / 阅读(47) / 评论(0)

舞曲狂欢

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(72) / 评论(0)

Scientific American(十)月

VOA标准英语2009年-India Launches 7 Satellites

By Anjana Pasricha New Delhi 23 September 2009 India's Polar Satellite Launch Vehicle (PSLV) takes off from the space center in Sriharikota, India, 23 Sep 2009 India has launched seven satellites from a single rocket, demonstrating its growing skill

发表于:2019-01-13 / 阅读(167) / 评论(0)

VOA标准英语2009年(九月)

2018年CRI China sends twin navigation satellites into space

China has launched two satellites into space on a Long March carrier rocket from the Xichang Satellite Launch Center in Sichuan Province. The satellites are part of the country's growing BeiDou Navigation Satellite System. The launch of the Long Marc

发表于:2019-01-19 / 阅读(92) / 评论(0)

2018CRI中国国际广播电台

STARSHINE SATELLITES

42 “星光号人造卫星”成功进入运行轨道 DATE=5-2-01 TITLE=EXPLORATIONS #1950 - STARSHINE SATELLITES BYLINE=Paul Thompson VOICE ONE: This is Steve Ember. VOICE TWO: And this is Shirley G

发表于:2019-01-30 / 阅读(56) / 评论(0)

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学英语单词

aetheric

air leg attachment

air-water separation chamber

alternative water use