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.
对流层上面，淡蓝色有白色云的是平流层，飞机飞行所在的地球大气层，某些顽强的菌类在这里漂浮。
Above the troposphere, seen as a light blue band with white clouds, is the stratosphere, part of the Earth's atmosphere where airplanes fly and some hardy bacteria float.
航天飞机的正后方呈蓝色的就是大气层的中间层，而白色的是平流层，橙色的是对流层。
Directly behind the shuttle is the mesosphere, which appears blue. The atmospheric layer that appears white is the stratosphere, while the orange layer is Earth's Troposphere.
而火箭排出物三倍高于飞机- - -在海拔40多千米的平流层。
Rockets expel the stuff at altitudes three times as high - in the stratosphere more than 40 kilometres above sea level.
飞机也在平流层中飞行，把大量废气和垃圾排放在这里。
Aircraft flying in the stratosphere is the large number of exhaust emissions and garbage here.
由超音速飞机直接排放到平流层中的氧化氮会直接导致臭氧的消耗。
Nitrogen oxides releases directly by supersonic aircraft into the stratosphere contribute directly to the depletion of the ozone layer.
这就是为什么飞机要在低平流层飞行的原因。
这就是为什么飞机要在低平流层飞行的原因。
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