research rocket/nmn

11.   The launching of what the Norwegian Defense Ministry said was a scientific research rocket was picked up by Russian radar systems and triggered a security alert in Russia.

n. + rocket >>共 122 个
interceptor 7.20%
fire 6.92%
space 6.63%
guerrilla 5.48%
three-stage 5.19%
solid-fuel 4.03%
research 3.17%
katyusha 2.59%
helicopter 2.31%
fuel 1.73%
research + n. >>共 733 个
center 5.62%
project 5.43%
group 4.91%
institute 4.06%
firm 3.99%
team 3.77%
program 2.33%
organization 2.06%
director 1.98%
facility 1.95%
rocket 0.13%
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