They still discounted the probability of the use of largerocket.
他们仍然低估使用大型火箭的可能性。
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P to now, how to reduce more effectively the largerocket hull straightness error has been an interesting problem for technicians of manufacturing rocket hulls.
LRAD has been used successfully, in one instance protecting a large cruise ship from pirates off the coast of Somalia who had rocket-propelled grenades and machine guns.