单词：CHFR (critical heat flux ratio)
单词：CHFR (critical heat flux ratio) 相关文章
Freezing weather can mean frostbite and hypothermia unless a person is prepared. Today we talk about how to stay warm, dry and safe. Frostbite is damage that happens when skin is exposed to extreme cold for too long. It mainly happens on the hands, f
2010年VOA慢速英语(十二)月
Situation Critical 十万火急 by Kevin Lustig In some jobs, danger can appear at any moment. In the blink of an eye, the routine can become perilous. This month, the National Geographic Channel shows us what happens when a normal situation becomes
常春藤解析英语
The UN has just issued a report saying that six million people in Myanmar need food right now. How critical is the situation? It's a real paradox, because in the same year that Cyclone Nargis devastated the, what had been the rice bowl of Myanmar, th
访谈录2009
1. fluid /ˈflu:ɪd/ -- 1. substance that flows 2. not rigid; changing easily Air, water, molasses and milk are all fluids. 空气、水、糖蜜和牛奶都是流体。 During November, the military situation remained fluid, with advances and retres
突破英文词汇
In Houston, Flight director Kranz is trying to make sense of the barrage of information. I am completely surrounded with reports coming in that I dont fully understand, but frankly, problems are our business, and I thought we are going to solve these
国家地理2007年
图片 by Jason Marshall Some math is functional. Some math is fun. And some math is simply stunning. If that last description sounds improbable to you, then today just might change your mind. Because now that weve covered enough ground, were going t
数学英语
图片1 图片2 by Jason Marshall Despite many peoples assumption to the contrary, math is undeniably artistic. It takes a tremendous amount of creative muscle and artistry to devise mathematical solutions. And, as made evident by their frequent batt
数学英语
By Lisa Bryant Villentaneuse, France 29 March 2006 Police forces use a water canon on protesters who are demonstrating against the first job contract law, known as CPE France has been roiled by waves
2006年VOA标准英语（三月）
By Naomi Schwarz Dakar 15 June 2007 Across Africa, poverty and a tradition of putting children in the care of the extended family have led many parents to send their young children, especially daughters, to cities. There they often end up working in
2007年VOA标准英语（六月）
The Green Alley program is an effort to reduce flooding, save energy and decrease heat in the city. Transcript of radio broadcast: 13 July 2008 This is the VOA Special English Development Report. An environmental project in the American city of Chic
VOA慢速英语2008年（七）月
Egypt's Moussa Stresses Experience in Time of Flux Moussa's past is both a strength and a weakness. The former foreign minister and ex- Arab League chief says he is ready to lead the nation. The country is in a major crisis, noted Moussa. And a major
VOA标准英语2012年(五月)
今天我们要学的词是flux。 Flux, 是动荡的，不断变化的。 The leadership of Yemen is in flux after former president Saleh was forced to step down, 也门前总统萨利赫被迫下台后，国家领导层处于动荡之中。 Afghani
英语单词荟萃
BEIJING, May 13 (Xinhuanet) - China's central bank announced on Saturday it would lower the reserve requirement for commercial lenders by 50 basis points, the second time it has taken such action this year to inject more market liquidity and shore up
英语新闻
今天我们要学的词是 dead heat. Dead heat 意思是旗鼓相当，不相上下。The Connecticut Senate race remains a dead heat. 竞选康涅狄克州参议员的候选人旗鼓相当，难分上下。With less than a month left before the U.
英语单词荟萃
Nicola: Hi, Cat, that looks like a lovely salad you got there. Cat: Thanks it is. Nicola: What has it got in it? Cat: Um, I cheated and I bought one of those pre-packaged lettuce with herbs and some leftover food from last night, but it's good. It's
原版英语对话1000个
In the Pacific state of Hawaii, U.S. President Barack Obama on Sunday told leaders of the 21 Asia Pacific Economic Cooperation economies that the region will be key to U.S. economic recovery. With much of the formal summit activity, including a worki
英语新闻
China's sex ratio is quite worrying nowadays. According to census data, China's sex ratio at birth was 108 males to every 100 females in the early 1980s, only slightly above the natural rate of 103 to 107. In 2000 the ratio was 116.9 males to 100 fem
英闻天下
By Scott Stearns Dakar 08 October 2009 Cameroon President Paul Biya (file photo) Authorities in Cameroon have closed a private FM radio station that has been broadcasting illegally from the capital for several months. The station was highly critical
VOA标准英语2009年(十月)
世界本没有长难句，修饰成分多了，便有了长难句。 阅读速度大部分来于短时间内理解长难句的能力。 大家在看长难句的时候，多思考，一个句子为什么这么长，常见的修饰成分到底有哪些？
托福英语