... eninge-exhaust trail: 引擎排气 engine-exhaust trail: 引擎排气尾 rocket exhaust trail: 火箭废气尾 ...
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GlobalSecurity.org, a Washington-based firm that focuses on "emerging security challenges, " said the image released by DigitalGlobe shows the contrail, or vapor trail, and rocket exhaust plume of the launch vehicle.
CNN: Photo reportedly shows N. Korean rocket in flight
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