The droptower is one of the effective tools for developing the micro-gravity research.
落塔试验是开展微重力研究的有效手段之一。
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An experimental investigation of liquid reorientation in semispherical container by means of microgravity accelerations is conducted in a droptower.
本文利用落塔形成的微重力环境，对半球形贮箱中液体重定位问题进行了试验研究。
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Fresh from his honeymoon, Hazem Gamal heard his wedding ring drop as he fled into a toll booth by the Brooklyn Battery Tunnel to escape the dust cloud from the crumbling south tower.