以下为句子列表：
英文: Designed so that all particles collected, regardless of physical size, shape, or density, are aerodynamically sized and can be directly related to human lung deposition.
中文: 之所以这么设计，是因为所有被采集的微粒（不管体积大小、形状和密度怎么不同）都按照空气动力学原理分级。这种分级，直接对应于微粒在人体肺部的沉积情况。
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英文: It completely fills the space inside the wheel rim, not only improving brake cooling, but also dramatically reducing the vortices generated by the rotation of the wheels, hence making this area more aerodynamically efficient.
中文: 它完全填充了轮毂内部的空隙，不仅能够改善制动散热效果，而且可以极大地降低由于车轮旋转而产生的涡流，因此提高了这一区域的空气动力学效率。
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英文: This creates a second set of wings below the body and behind the arm wings, which is a more anatomically and aerodynamically stable configuration, he believes.
中文: 他认为，这样就在身体下面和前翼后面构成了第二对翅膀，从解剖学和空气动力学的意义上来说，这是更加稳定的结构。
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英文: This is a flight during which the aeromodel is aerodynamically manoeuvred by control surface(s) in attitude, direction and altitude by the pilot on the ground using radio control.
中文: 本类系指由地面的运动员通过无线电遥控模型改变飞行姿态、方向和高度的项目。
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