... parabolic trough collector 抛物面槽式聚热器，抛物面槽式集光器 parabolic velocity 抛物线速度 parabolic-torus antenna 抛物环面天线 ...
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The results clearly document that the curves of vertical and main velocity in the middle area of the volute are parabolic at all running speeds.
结果表明，蜗室中间的主流速度在不同转速下均呈抛物线型分布；
Results show that the gas flow velocity along the thickness direction is regularly distributed in a parabolic curve and the maximum velocity is in the center of the slot.
结果表明，其速度沿狭缝厚度方向按抛物线规律分布，狭缝中心速度最高，流动状态一般为层流；
Velocity distribution can be expressed by a logarithmic formula for the inner zone and a parabolic formula for outer and surface zones.
底部内区流速分布可用对数公式表示；外区和表面区可用二次抛物线公式表示。
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