单词:reflector economy
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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
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 Jim Malone Democratic presidential contender John Kerry launched a three-day campaign bus trip through the Midwest Friday, a key battleground area in the November election. Meanwhile, President Bus
Bush: US Economy Strong and Getting Stronger Paula Wolfsons President Bush says the U.S. economy is strong and getting stronger. Mr. Bush says more job growth is in the offing . On the day the White H
Jackie: Money is a powerful force. From the notes and coins in our pockets to the billions that flow around the world each day -It drives business and the economy. Money is the topic of this second chance to hear Insight Plus - your guide to the lan
BEIJING, Oct. 21 (Xinhua) -- China on Friday urged the European Union (EU) to recognize its full-market economy status at an early date and properly settle trade disputes amid the tumbling world economy. China hopes Belgium will exert its influence t
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 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
RIO DE JANEIRO, Dec. 26 (Xinhua) -- Brazil will surpass Britain to become the sixth largest economy in the world this year, according to a British study published on Monday. The study, published by the Centre for Economics and Business Research (CEBR
WASHINGTON, Jan. 28 (Xinhua) -- The U.S. economy expanded by an annual rate of 3.2 percent in the fourth quarter of 2010, partly boosted by personal consumption and exports, the Commerce Department(商务部) reported Friday. U.S. real gross dome
President Barack Obama has defended his economic policies, saying the latest disappointing national employment figures demonstrate that more work needs to be done despite some growth in the economy. The president's remarks Friday were made at an auto
BERLIN, April 7 (Xinhua) -- German economy will increase 2.8 percent in 2011, according to a joint report issued by Germany's leading economic institutes on Thursday. The expectation was much better than the 2 percent increase for 2011 in the predict
The U.S. unemployment rate was slightly better than expected in July. The relatively good news gave President Barack Obama a break from the weeks relentlessly bad news on Wall Street. As stock prices continued to slide in New York, the government rep
For the first time in its modern history, Turkey has resisted a serious global economic crisis, and also has decoupled itself from the rest of Europe by rebounding strongly in 2010. Although Turkey's economy is booming, however, the new government ha
The International Monetary Fund says the U.S. economy is struggling to overcome sluggish growth due to an unresolved government debt crisis and weaknesses in the housing market and household finances. In a report released Tuesday, the IMF downgraded
China approves 25 urban rail projects to boost economy BEIJING, Sept. 6 (Xinhua) -- China's top economic planning agency has approved 25 urban rail projects that could be worth more than 800 billion yuan (126.98 billion U.S. dollars). The National De
WASHINGTON, Aug. 3 (Xinhua) -- Fostering a strong U.S. economy started with building a strong U.S. middle class, and economic fairness was critical to the nation's recovery, U.S. President Barack Obama said here on Friday. Speaking at the White House
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