单词:central reflector
单词:central reflector 相关文章
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
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
ECONOMICS REPORT - U.S. Central Banker Alan Greenspan Prepares to Retire By Mario Ritter Broadcast: Friday, November 18, 2005 I'm Steve Ember with the VOA Special English Economics Report. The chairma
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
By Lisa Schlein Geneva 24 July 2007 The International Committee of the Red Cross is stepping up humanitarian operations for 100,000 displaced people in the Central African Republic. A Red Cross Official just back from the CAR tells VOA these people a
Central banks of the leading industrialized nations are working together to try to ease a financial crisis that originated in the United States but has roiled markets worldwide. From Washington, VOA's Michael Bowman reports. A Wall Street street sig
India's Central bank has hiked interest rates in a bid to tackle inflation which is at its highest rate in over a decade. But as Anjana Pasricha reports from New Delhi, there are fears the measure will slowdown growth in one of the world's fastest g
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
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
By Kari Barber Dakar 29 October 2007 A new World Conservation Union report says a large number of the world's endangered primates are at risk of extinction in West and Central African countries. Experts say hunting for bushmeat is threatening the ani
By Barbara Schoetzau New York 29 February 2008 The United Nations is asking for $32 million in immediate humanitarian aid for the Central African Republic (CAR). The UN's humanitarian coordinator, Toby Lanzer, says the aid will help stabilize a volat
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
By Navbahor Imamova Washington 16 November 2007 In most of Central Asia women are still struggling to find their place in the political arena. Despite the Soviet legacy of gender equality, women are still underrepresented in the highest levels of gov
U.S. and European central banks have in unison cut their interest rates by half a percentage point. The coordinated move is aimed at bringing some stability back to the shaky global economy and slumping stock markets. For VOA, Tom Rivers reports fro
By Barry Wood Washington 14 February 2008 In a rare joint appearance before a congressional committee Thursday, the U.S. treasury secretary and the head of the central bank said the U.S. economy has weakened but will probably avoid recession. VOA's B
LONDON, Jan. 16 (Xinhua) -- Two people were killed and another two were injured after a helicopter crashed into a construction crane near Wandsworth Road, south of River Thames in central London earlier on Wednesday. Two people confirmed dead at scen
By Michael Bowman Washington 13 August 2007 Stock markets in Europe and Asia posted gains Monday, while U.S. stock marketsfell slightly. VOA's Michael Bowman reports from Washington, investors appeared reassured after central banks added cash to comb
CHANGSHA, July 5 (Xinhua) -- A section of a highway running near a major river in central China's Hunan Province caved in early Thursday, engulfing a passing vehicle and killing at least one person aboard. The cave-in, near the Poly International Pla
BEIJING, June 9 (Xinhua) -- Pan Gongsheng, the former vice president of the Agricultural Bank of China (ABC), has joined the People's Bank of China (PBOC), the country's central bank, as its vice president, according to updated information on the PBO
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