单词：isotopic target
单词：isotopic target 相关文章
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest
Scientific American(九)月
My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children
英汉幽默故事选读
By Ted Landphair Washington 09 August 2007 Every day, American consumers are offered a simple choice when they areby a store's cashier: paper or plastic? But as VOA's Ted Landphair explains in today's searching for solutions report, some communities
2007年VOA标准英语（八月）
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar
Scientific American(一)月
What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o
Scientific American(十二)月
Astronomers say they have some intriguing new clues about one of the biggest mysteries of the universe. More than 20 years ago, scientists discovered that most of the matter in the universe is not made up of ordinary atoms, it is something invisible
2006年NPR美国国家公共电台
Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of
2016年VOA慢速英语(三)月
BEIJING, March 14 (Xinhua) -- Premier Wen Jiabao said Wednesday that the 7.5 percent GDP growth target for 2012 is a result of the government's proactive macro-control and can not be viewed as low. China's GDP has reached 47 trillion yuan (7.46 trill
英语新闻
Man United target has contract revoked
英语新闻
RIO DE JANEIRO, Feb. 25 (Xinhua) -- Paris Saint-Germain target Rafinha is reportedly on the verge of signing a contract extension with Brazilian giants Flamengo. The 19-year-old forward has agreed in-principal to a five-year deal with a buy-out claus
英语新闻
BEIJING, Aug. 29 (Xinhuanet) -- Since the beginning of 2011, China has taken a series of measures to cool rising prices, such as introducing a prudent monetary policy, boosting supply and containing inrrational demand while establishing a price contr
英语新闻
BEIJING, March 5 (Xinhua) -- China maintains its 2013 gross domestic product (GDP) growth target unchanged at around 7.5 percent this year to leave some leeway for economic restructuring, according to a government work report to be delivered by Premi
英语新闻
SAO PAULO, March 13 (Xinhua) -- Brazil internationals Alexandre Pato and Paulinho were both on target as Corinthians defeated Tijuana 3-0 in their Copa Libertadores Group 5 clash on Wednesday. Former Milan striker Pato bundled in from close range aft
英语新闻
The former Soviet republics of Georgia and Ukraine are allies engaged in similar attempts to establish democratic rule, to join NATO and realign themselves with the West, much to the displeasure of Russia. During the conflict in Georgia, Ukrainian P
VOA标准英语2008年（八月）
RIO DE JANEIRO, Feb. 26 (Xinhua) -- Reported Chelsea target Bernard scored a hat-trick as Brazil's Atletico Mineiro swept to a 5-2 away victory over Argentina's Arsenal Sarandi in their Copa Libertadores group stage clash on Tuesday. The 20-year-old
英语新闻
Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho
万物简史
今天我们要学的词是 easy target, easy is spelled e-a-s-y; target is spelled t-a-r-g-e-t; easy target. Easy target 首当其冲的目标。Smart phones can be easy targets for thieves. 智能手机很容易成为小偷们下手的目标。In t
英语单词荟萃
My cooking has always been the target of family jokes. One evening, as I prepared dinner a bit too quickly, the kitchen filled with smoke and the smoke detector went off. Although both of my children had received fire-safety training at school, they
趣味英语
节奏布鲁斯:Massari - Moving target 相关介绍 ：Massari，原名：Sari Abboud。1980年12月10日出生于黎巴嫩在加拿大长大。29岁的Massari已经有两张专辑在手，很特别之处在于他拥有一副倾向女性色彩的嗓音
节奏布鲁斯
In his annual government work report at the NPC session, Premier Li Keqiang announced a flexible GDP target, calling it a reasonable growth range as China is gearing up its structural reforms. The main development targets for 2016 are as follows: GDP
2016CRI中国国际广播电台