单词:optical link pilot protection system
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EXPLORATIONS - Aviation Hall of Fame By Paul Thompson Broadcast: Wednesday, February 11, 2004 (THEME) ANNCR: This is Doug Johnson. Today on Explorations in VOA Special English we tell about some men a
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
Broadcast: Jan 30 2003 Researchers say there appears to be no link between a substance found in some high-carbohydrate foods and the development of some types of cancer. U.S. and Swedish researchers c
EXPLORATIONS – May 15, 2002: National Aviation Hall of Fame By Paul Thompson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember. with the VOA Special English program, EXPLORATIONS
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China's Tibet Autonomous Region is about to achieve a universal coverage of fibre-optical broadband service ahead of its schedule. As China further rolled out its universal broadband project, Tibet's broadband service is looking to reach 98% of admin
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