Optimizing a prestressed concrete T-frame beam, selecting reasonable effective height of section and prestressed steel area can improve the beam's performance and reduce the cost.
对预应力混凝土T梁进行优化设计，选取合理的截面有效高度及预应力筋截面面积，可以提高梁的承载能力，降低工程造价。
Besides above, the equipment includes a device which calculates the effective height compared to the terrain by using the above signal, and a screen display which USES the chart to show the results.
所述设备还包括利用所述信号计算飞机相对于地形的有效高度的装置，和用图表显示计算结果的屏幕显示器。
Besides above, the equipment includes a device which calculates the effective height compared to the terrain by using the above signal, and a screen display which USES the chart to show the results.
所述设备还包括利用所述信号计算飞机相对于地形的有效高度的装置，和用图表显示计算结果的屏幕显示器。
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