Shuttle commander mark Kelly thanked the ISS crew for their help after they successfully installed the Alpha Magnetic Spectrometer, which Kelly called "a remarkable thing for physics and for science."
航天飞机指挥官马克·凯利感谢国际空间站的全体人员对他们成功安装阿尔法磁谱仪之后的帮助，凯莉称阿尔法磁谱仪是“物理和科学上一个非凡的成就”。
Mark Hempsell, future programs director at Reaction Engines Ltd, told CNN: 'The engine starts by burning hydrogen with air and finishes up burning hydrogen with liquid oxygen like a shuttle engine.'
ReactionEnginesLtd的未来计划总监马克·汉普塞尔向CNN透露，天龙的引擎在开始时将氢与空气混合燃烧，然后会像航天飞机一样，将氢与液氧混合燃烧。
Mark Hempsell, future programs director at Reaction Engines Ltd, told CNN: 'The engine starts by burning hydrogen with air and finishes up burning hydrogen with liquid oxygen like a shuttle engine.'
ReactionEnginesLtd的未来计划总监马克·汉普塞尔向CNN透露，天龙的引擎在开始时将氢与空气混合燃烧，然后会像航天飞机一样，将氢与液氧混合燃烧。
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