科学家们可以用飞机直接将二氧化硫散播到平流层而使全球气温下降。
Scientists could use airplanes to inject sulfur dioxide directly into the stratosphere and bring down global temperatures.
但是同已为人们所接受的诸如协和号飞机或者太空飞船相比，它们对平流层的危害要小很多。
But they would do a lot less harm to the stratosphere than Concorde or the space shuttle, devices that were accepted by most people.
两架飞机之间的尾流以及在平流层飞行时的发动机性能和飞行控制响应都进行了评估。
Wake turbulence between the two aircraft as well as engine performance and flight control responsiveness in the stratosphere were evaluated.
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