Area of canopy equal to half of the projected area.
雨棚按水平投影面积的一半计算;
An international unit of luminous intensity per projected area normal to the line of observation.
一个发光的强度的国际单位每计画的地区与观察的线垂直。
It is shown that load capacity is a linear function of bearing surface velocity and bearing projected area.
在经验法则中,轴承承载力是轴承转速和轴承设计面积的线性函数。
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