The report, Limiting future collision risk to spacecraft, was commissioned by Nasa last April to evaluate its programmes on 'space junk', officially known as MMOD (Micrometeoroids and Orbital Debris).
2
安吉亚太空公司在“天顶号”运载火箭承载能力的范围内小心翼翼地保留了这艘未来飞船的整体质量。
RKK Energia carefully kept the overall mass of the future spacecraft within Zenit's capabilities.
3
这会提高我们对潜在危险评估的信心，不仅仅是对于太空梭更是为了别的未来的太空飞船。
It will improve our confidence in the assessment of potential damage, not just for the space shuttle but for any other future spacecraft.
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