The market for launching small satellites is presently only partly served by the Pegasus rocket, which is launched at high altitude by a commercial jet aircraft.
在小型卫星的发射这一市场，目前只有天马火箭公司提供一些服务。他们用商务喷气式飞机在高空进行发射。
The Pentagon is unable to explain images of what witnesses took to be a high-altitude rocket launched off the coast of southern California at sunset Monday, officials said.
有官员说，美国五角大楼无法解释星期一傍晚在加州南部出现的类似于高空发射火箭后产生的凝结尾流。
There is a larger effect of flow Angle of attack caused by high altitude wind on aerodynamic load and flight environment in rocket flighting.
高空风引起的气流攻角对火箭飞行中的气动载荷和飞行环境有较大的影响。
There is a larger effect of flow Angle of attack caused by high altitude wind on aerodynamic load and flight environment in rocket flighting.
高空风引起的气流攻角对火箭飞行中的气动载荷和飞行环境有较大的影响。
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