单词:
单词: 相关文章
Being a super power, it’s not possession of nuclear weapons, it’s not having a large armed forces, it’s not having higher tech equipment than anyone else, if there’s one thing that defines bei
One-Person Flying Vehicles Close to Reality 单人飞行器接近成为现实 Smart phones, essentially pocket-sized computers, we already have. Flying drones with cameras are available to everybody. Robots and self-driving cars are just around the c
EXPLORATIONS - Igor Sikorsky: Aircraft and Helicopter Designer By Marilyn Christiano Broadcast: Wednesday, July 06, 2005 (MUSIC) ANNOUNCER: Igor Sikorsky on the cover of Time magazine. Now, the VOA Sp
Personal Flying Vehicles Close to Reality 个人飞行汽车的梦想接近现实 Many people have long dreamed of being able to fly around as simply as riding a bicycle. Yet the safety and strength of a flying bike was always a big problem. Over the
新型单人飞行器有望成为未来空中飞车 Being able to fly around as simply as riding a bicycle has been a long-standing dream of many inventors. But the safety and stability of such vehicles was always a huge problem. 飞行器飞来飞去能
DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier