单词盒子
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powered parachute

P 开头单词

英汉例句

    双语例句

  • The force-bearing state of powered parachute is analyzed in this paper, and much calculation about the strength and stability of major force - bearing component is done.
    本文分析动力伞结构的受力状态,并对主要承力构件进行了强度及稳定性计算。
  • 原声例句

  • This powered parachute costs just $35 an hour to fly, compared to hundreds of dollars for a helicopter.
  • The powered parachute can fly very low to the ground, and as slowly as giving officers a clear view during search and surveillance operations.
  • Police officers say the powered parachute does have limitations.
  • 权威例句

  • Rip-stop nylon needed to be invented before I could fly a powered-parachute ultralight aircraft.
    FORBES: How to Swap the Obama Budget for an Optimistic Economic Growth Agenda
  • To transport the one-ton rover and position it near the mound, engineers devised a complicated system that includes a 52-foot (16-metre) diameter supersonic parachute, a rocket-powered aerial platform and a so-called "sky crane" designed to lower the rover on a tether to the ground.
    MSN: NASA rover closing in on Mars to hunt for life clues

词组短语

    短语

  • unmanned powered parachute aircraft 无人动力伞
  • American Powered Parachute Association 美国动力跳伞协会
  • unmanned powered parachute 无人动力伞
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