单词:laser footprint
单词:laser footprint 相关文章
How often do you eat meat? Do you recycle? Do you drive a car? Depending upon your answers, you may have a big or small ecological footprint. An ecological what? Of course we all have footprints. We leave them in the mud or after stepping in a puddle
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
Human Footprint 人类足迹 by Matthew Brown This month, National Geographic Channel presents a special variety of programs inspired by Earth Day. One of these programs, Human Footprint, looks at environmental issues from a fascinating perspective.I
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
We have to do something about pollution. Even though there are warnings about global warming, companies dont do anything to reduce pollution. Our sky, air, rivers, beaches and countryside are becoming rubbish dumps. The air is so polluted it is givin
How big is your carbon footprint? Neil: This is Real English from BBC Learning English. I'm Neil. Lily: 大家好,我是杨莉。 Neil: This is the programme in which we look at words and phrases that you may not find in your dictionary. Lily: 地道英语和大
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
Ecological Footprint Africas ecological footprint is getting bigger. The continents growing population is placing greater demand on its natural resources. A new report calls on African nations to adopt a more sustainable approach to development to en
Voice 1 Thank you for joining us for Spotlight, Im Joshua Leo. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand no matter where in the world they live. Voice 1 When I moved to a n
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
小沈阳有10句经典台词逢场做戏必说,观众却也100听不厌乐不可支,这是为了什么呢?连西方文化专家都开始把中国发生的Xiaoshenyang Phenomena(小沈阳现象)作为搞笑案例来研究,这就需要把小沈阳
我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此,防止气候变化需要地球上的每个人共同来努力。 EACH and every one of us is responsible for the greenhouse gases we emit in ou
今天我们要学的词是digital footprint. Digital footprint 数码足迹。Everyone who uses a computer, tablet or smart phone will generate vast amounts of information, called a digital footprint. 任何使用电脑,平板电脑或是手机的人
You might not realise it, but sending even a short email has an impact on the environment. 你可能没有意识到,即使是发送一封小小的邮件也会对环境产生影响。 Scientists estimate that an email adds about four grams (0.14 oun
本期内容: China's Dalian Wanda Group is extending its footprint in Hollywood after striking a deal with Sony Pictures. The strategic alliance opens the door for Wanda to invest in certain productions. Wanda said it would include the co-financin
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