单词:pilot oscillator
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EXPLORATIONS - Wiley Post: The First Pilot to Fly Around the World Alone By Paul Thompson Broadcast: Wednesday, September 14, 2005 ANNOUNCER: Now the VOA Special English program, Explorations. Today S
New Device Detects Pilot Blackouts WASHINGTON During certain maneuvers, jet fighter pilots sometimes experience loss of vision and even loss of consciousness. Although short, these so-called blackouts can have tragic consequences. An Israeli company
Keeping Time With Quartz Most people know that wrist watches commonly contain quartz. In fact, if you wear a watch, chances are its a quartz watch, since most watches is made today use quartz. But, you may not know what quartz has to do with keeping
大热美剧Glee(欢乐合唱团)中的鞋子老师Matthew Morrison的个人首张专辑预计5月10日正式发行,其中有三首与大牌合唱的曲目:与Elton John合唱的Mona Lisas and Mad Hatters/Rocket Man,与Gwyneth Paltrow合唱的
BEIJING, June 26 (Xinhua) -- China has nominated 311 counties or county-level cities in a program to pilot reform of the country's public healthcare facilities, the Ministry of Health announced on Tuesday. The national initiative includes 83 counties