stepped section 中文意思是什麼
stepped section
解釋
階梯形斷面-
Based on the transfer - matrix method, the general expressions of equivalent four - terminal network parameters of varying section torsional horn are derived, the relations between frequency equation and both the rotational velocity amplification and that of the surface tangential velocity of stepped type torsional ultrasonic horn with transitional section of cosine - like type are obtained
摘要基於傳遞矩陣演算法，推導出了變截面桿扭轉振動時等效四端網路參量的一般表達式，研究了帶類餘弦過渡段階梯形變幅桿扭轉振動頻率方程與角速度放大倍數及外表面切向速度放大倍數等的關系。 -
At the toe of thc stepped spillway if exchange a series of steps for arc section, the highe enersy dissipation can be got bu the pressure is higher in downstream icction
在壩趾處，不設反弧段比設反弧段時的消能率高，但壩下水平段的壓強值較大。 -
The correction factor of the pressure of cross section before a hydraulic jump in stilling basins under nappe flow of stepped spillways
跌落水流時臺階式溢洪道消力池躍前斷面壓力修正系數
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