另一方面，空客在过去的十几年里对这种强大巨型客机的需求却步行缓慢。
Airbus Industry, on the other hand, slowly began to surge forward only recently during the past decade.
真是遗憾啊！ 因为这是在过去的十几年里出现的对该主题价值最为珍贵描述最为详尽的书了。
This is a pity since this is one of the most valuable and detailed accounts of its subject to appe ar in the past decade.
在过去的十几年里，已经有许多文献报道了通过对北极地区气溶胶的研究来揭示其污染物的来源。
In the past 10 years above, there have been many researches on source of this kind of pollution through studies on Arctic aerosol.
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