单词:influence of Reynold's number
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Project Aims to Study Stratosphere Via Aerospace Firm's Glider A glider designed by Airbus Group successfully completed its maiden flight Wednesday ahead of next years attempt to reach the edge of the space. The ultimate goal is to study the stratosp
From a very early age, some children exhibit better self-control than others. Now, a new study has tracked how low self control can predict poor health, money troubles and even a criminal record in their adult years. The study began with 1,000 childr
Afghanistan's Neighbors Prepare For Post-2014 The Afghan army has been preparing to take over the countrys security as NATOs 2014 deadline to withdraw all combat troops moves a year closer. But even with 300,000 national security forces now hired, Af
Every four years, Americans who are 18 or older have a big responsibility. Our votes decide who becomes the president of the United States. Unfortunately, the US election system isn't that simple. This is Electing a US President in Plain English. It'
SCOTT SIMON, HOST: George Moses Horton published a book of poetry in 1829, when he was still a slave in North Carolina. He went on to write several volumes, which never earned enough money for him to buy his freedom. He was finally set free by the Un
When Turkey voted against additional United Nations sanctions on Iran last May, it seemed the relationship between Ankara and Tehran was stronger than ever. But Turkey's growing political and economic influence in the Middle East may be gradually pus
Jazz saxophonist Gerald Albright likes to test his boundaries with each new album. Albright's spirit of adventure is alive and well on his latest effort, Pushing The Envelope. Gerald Albright's versatility has placed him at the forefront of the smoot
Heston's 'Warm Human, Cold World' Showcases Caribbean Influences Hestons introduction to the music world came through a radio in his native Dominica. He says he gained an appreciation for singing and songwriting after years of listening to the island
Venezuela's Chavez Built Ties With Iran The relationship between Iran and Venezuela began in the 1960s, in the early days of OPEC, the Organization of Petroleum Exporting Countries. But it was during Hugo Chavezs presidency that strong ties were form
KORVA COLEMAN, HOST: Impressive statistics can spread quickly. The New York Times, Washington Post, Wall Street Journal, Fox News, CNN and Time magazine have all reported that Americans throw away 500 million plastic straws every day. The National Pa
By Alisha Ryu Nairobi 17 May 2007 In the troubled Somali capital, Mogadishu, security has been tightened, following a bombing that targeted the country's interim Prime Minister, Ali Mohamed Gedi. The prime minister was unharmed, and there have been
French President Nicolas Sarkozy will fly to Damascus for meetings Wednesday with Syrian President Bashar Assad in an effort to restore diplomatic ties that were cut three years ago. The meeting also signals France's push for a greater role in the M
U.S. plans to deploy a missile defense system in Eastern Europe continue to be a major source of contention between the United States and Russia. U.S. officials say the proposed missile defense system - made up of 10 missile interceptors in Poland a
By David Gollust State Department 15 November 2006 A top U.S. State Department official says he thinks Venezuela's President Hugo Chavez is losing influence following his verbal attack on President Bush at the United Nations in September. Undersecre
Iran Extends Influence in Central Asia's Tajikistan Iran is competing with Russia as it seeks to forge closer ties with Tajikistan, the one Persian-speaking nation of the former Soviet Central Asia. The capitals of Iran and Tajikistan are 1,000 kilom
How to deal with and what to do with Iran's nuclear weapons aspirations is expected to be discussed during the upcoming Moscow summit between U.S. President Barack Obama and his Russian counterpart Dmitri Medvedev. Iran's nuclear weapons program is
Foreign Minister Wang Yi said at the press conference Tuesday morning that disputes with the US could be turned into cooperation such as the success in the cyber security area. But he said the US needs to calm down over the maritime tensions in the S
African countries had always been important players on the map of China's foreign policy. From the Belt and Road initiative to China's investment and aid plans, African countries are never left out. How do African people see China's undertakings in t
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Topic 1-Driving under Influence of Drugs China is getting serious about stopping citizens from getting behind the wheel while under the influence. The ministry of public security has revoked the driving license of 140 thousand drug users, and refused