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BEIJING, Apirl 1 (Xinhuanet) -- An Ariane rocket launch of two communications satellites was aborted1 Wednesday after a technical hitch2 at the scheduled moment of liftoff in French Guiana on Wednesday.
According to Arianespace, the Ariane 5 rocket's Vulcain main engine ignited as scheduled(安排) at 5:45 pm EDT (21:45 GMT), but the checkout3 process during ignition detected an unspecified anomaly, shutting down the engine before the two solid-rocket boosters ignited.
The 165-foot (50-meter) tall Ariane 5 rocket's main engine's checkout process "was not completed successfully, preventing the boosters' ignition and thereby4 aborting5 the mission," Arianespace officials said. "The Ariane 5 and its two payloads remain in a safe mode on the launch pad."The Ariane 5 rocket uses a Vulcain 2 first stage engine assisted by two solid rocket boosters to launch satellite payloads into orbit. The Vulcain 2 engine is fueled by cryogenic liquid hydrogen and liquid oxygen and is designed to burn for about 600 seconds to boost payloads into space.
Jean-Yves Le Gall6, Arianespace president, said it would return the rocket to the final assembly building to prepare it for another launch attempt while investigating the cause of the problem. No new launch date was immediately announced.
The Ariane 5 was to launch the Yahsat Y1A and Intelsat New Dawn communications satellites.(本文由在线英语听力室整理编辑)
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1 aborted | |
adj.流产的,失败的v.(使)流产( abort的过去式和过去分词 );(使)(某事物)中止;(因故障等而)(使)(飞机、宇宙飞船、导弹等)中断飞行;(使)(飞行任务等)中途失败 | |
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2 hitch | |
v.免费搭(车旅行);系住;急提;n.故障;急拉 | |
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3 checkout | |
n.(超市等)收银台,付款处 | |
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4 thereby | |
adv.因此,从而 | |
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5 aborting | |
v.(使)流产( abort的现在分词 );(使)(某事物)中止;(因故障等而)(使)(飞机、宇宙飞船、导弹等)中断飞行;(使)(飞行任务等)中途失败 | |
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6 gall | |
v.使烦恼,使焦躁,难堪;n.磨难 | |
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