... noncultivated environment 释义：未开垦环境 high altitude environment 释义：高空环境 extracellular environment 释义：细胞外环境 ...
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这次飞行测试是在充满挑战的高空环境下进行的，这也是高空长航(HALE)无人机(uas)加油所需的环境。
The flight test was conducted in the challenging high altitude environment required for refueling of high altitude long endurance (HALE) unmanned aircraft systems (UAS).
探测卫星将经过11个月的长途飞行，于2010年8月前后抵达火星高空轨道，展开火星空间环境、太阳风与火星磁场关系等领域的探测工作。
The probe will travel for 11 months before entering Mars' orbit in August 2010. It will gather data on Mars' space environment and the relationship between solar wind and the planet's magnetic field.
尽管他们的工作在高空——而不是地下，NASA的宇航员也需要忍受相似的孤立和挤逼环境。
Although they work far above—not below—the surface of the Earth, NASA astronauts endure similar isolation and cramped spaces.
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