51.   The launch date was delayed from April to August because of the crisis in international aviation in the aftermath of the US terror attacks.

a. + aviation >>共 303
civil 31.13%
commercial 4.92%
federal 2.91%
general 2.86%
international 2.70%
new 2.49%
bilateral 2.28%
military 2.06%
russian 1.96%
french 1.64%
international + n. >>共 808
community 5.34%
aid 2.33%
force 1.85%
pressure 1.75%
observer 1.72%
official 1.67%
conference 1.62%
organization 1.59%
trade 1.59%
market 1.55%
aviation 0.08%
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