单词：multilayer dielectric plane reflector
单词：multilayer dielectric plane reflector 相关文章
EXPLORATIONS - The X- 15 Rocketplane By Marilyn Christiano Broadcast: Wednesday, February 18, 2004 (THEME) ANNCR: Explorations -- a program in Special English by the Voice of America. (THEME) The X-15
Explorations
Traveling by plane is exciting, but it can also be very tiring. There are so many things to be done. You have to pay the airport tax, check in your bags and then get to the departure gate. So it's bes
赖世雄中级美国英语
In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40
Scientific American(四)月
A: I need to make a plane reservation. B: We can book your trip right now. What city are you flying to? A: I need to fly to New York City. B: What date would you like me to book this plane ticket for? A: I need a flight on July 4th. B: You can fly ou
旅游英语对话
The Alps from the plane. Many of you have seen some part of the Alps, I suppose. They're spectacular, aren't they? I saw a small part of them recently from a plane. I was traveling from the south of France up to Germany. Luckily, I was sitting next t
英语博客 A cup of English
据《科学》杂志报道，苏联的月球车40年前在月球表面留下了激光反射器，虽然经过多年的搜寻科学家始终没有发现激光反射器的踪迹。 4月22日，一组物理学家终于发现了来自反射器的微弱闪
60秒科学
Gain - This is an increase in signal power, due to a boost from an electronic device. Garbage - These are unwanted characters that appear because of either incorrect settings or noise. Gate - These ar
电信英语
The Five-hundred-meter wide Aperture Spherical Telescope, or FAST, is now operational in the mountains of Guizhou in southwest China. FAST has been designed to help Chinese researchers better understand our universe, as well as probe the cosmos for e
2016CRI中国国际广播电台
The United Nations reports a humanitarian aid flight carrying 15 passengers and two crew crashed in the eastern Democratic Republic of Congo, 15 kilometers northwest of the airstrip at Bukavu in South Kivu Monday afternoon. The U.S.-based group that
VOA标准英语2008年（九月）
Bart's upstairs neighbor was driving him nuts. He made all kinds of strange noises at all kinds of strange hours. If I tell my neighbor he's noisy, he won't believe me, Bart thought. He'll believe me only if he lives downstairs and hears himself upst
英文短篇故事（纽约）
经典歌曲-乘喷汽机离去Leaving On a Jet Plane Chantal Kreviazuk Leaving On a Jet Plane All my bags are packed, I'm ready to go, I'm standing here outside your door. I hate to wake you up to say good-bye. But the dawn is breaking It's early mo
经典英文歌曲
49 不间断环行世界的“航行者”号飞机 DATE=5-23-01 TITLE=EXPLORATIONS #1953 - Voyager Plane BYLINE=Marilyn Christiano ANNCR: EXPLORATIONS -- a program in Special English by the Voice of
科技之光
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
VOA常速英语2007年（十一月）
By Kari Barber Dakar 15 April 2008 Officials in the Democratic Republic of Congo say more than 70 people have been killed in the crash of a passenger plane in the eastern city of Goma. Theplane, whichwas carrying up to 100 people, crashed into a busy
VOA常速英语2008年（四月）
以《坏天气》（Bad Day）走紅全世界的加拿大「城市琴人」Daniel Powter（丹尼尔 波特）的最新首波主打单曲Next Plane Home的官方MV~ 这首单曲是Daniel Powter将在今年发行的第三张专辑Under the Radar的第一首单曲，旋律轻快的舒服曲风，很是适合在阳光灿烂的午后听，
音乐咖啡厅
WARSAW, Jan. 12 (Xinhua) -- Poland on Wednesday said a Russia report on the plane crash that killed its President Lech Kaczynski was incomplete（不完全的） and erroneous. Russia's Interstate Aviation Committee (IAC) investigating the crash has
英语新闻
A U.S. military plane has crashed in the East African nation of Djibouti, killing all four U.S. military personnel on board. The U.S. Defense Department says the four died Saturday when the aircraft, a U-28 utility plane, was involved in an accident
英语新闻
Armenian plane takes off after security checks in Turkey YEREVAN, Armenia, Oct. 15 (Xinhua) -- An Armenian cargo plane had resumed its flight to Aleppo, Syria, after being forced to land by Turkey for security checks, local media Armenpress reported
英语新闻
Next Plane Home I woke up early to baby blue eyes from the ? whoah whoah and when the sun comes through and lights you like the angel you are whoah whoah I know I do you wrong when I'm with you I've been gone With every season change, it looks the sa
好听的英文歌曲
The construction of the project was started in 2011 with an investment of 1.2-billion yuan, or about 180 million US dollars. The 500 metre Aperture Spherical Telescope, or FAST, is the size of 30 football fields. It's located in a hollow that was for
2016CRI中国国际广播电台