此次风暴形状为独特的逗号形状——叫人联想到飓风——当空气流环绕一个低气压中心流动时形成此状。
The storm had a distinctive comma shape-reminiscent of a hurricane-that forms when air circles around a low-pressure center.
而且那些颗粒被强气流带到了远离人口中心的地方进行疏散和稀释。
Furthermore, the particles are being carried by a strong current away from population centres, dispersing and diluting them.
例如，塔中心设计成一种烟囱的样式，保证空气流通，用以供给自然通风。
For example, the central tower will serve as a kind of chimney that keeps air flowing to provide natural ventilation.
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