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未来,一种新型飞艇将会在大气的平流层中大展身手。在距地面约20公里的地方,也就是在云层之上,阳光强烈得足以使人头晕目眩看不到任何东西,而那里的温度只有零下54摄氏度。人们把天空中的这一空域称为平流层。对于航空学来说,平流层是一个人类尚未征服的区域,因为对于飞机来说,它太高了;而对于卫星来说,它又太低了。因此,只有一些探测气球偶尔光顾这一空域和一些卫星偶尔穿越其中,但它们都只是平流层的匆匆过客而已。为了探索平流层,欧美航空界的巨擎们精心研制了一种新型无人驾驶飞艇,要使这个天外天内交界之处繁华起来。
In the future, a new type of airship will make its presence in the stratosphere of the atmosphere. At about 20 kilometers above the ground, above the clouds, the sun is strong enough to make people dizzy and see nothing but temperatures of minus 54 degrees Celsius. People call this airspace in the sky stratosphere. For aeronautics, the stratosphere is an area where humankind has not yet conquered because it is too high for aircraft and too low for satellites. As a result, only occasional exploration balloons occasionally patronize this airspace and some of the satellites occasionally cross them, but they are all just hurried passers-by in the stratosphere. To explore the stratosphere, the giants of the European and American aviation communities have carefully crafted a new type of unmanned drones to make the junction of the sky and the sky prosperous.