long scale contrast 中文意思是什麼
long scale contrast
解釋
長階對比-
The plane scale of model was 500, vertical scale was 60 and varied ratio was 8 : 33. the contrast trial. utilizing trial of long series and typical flood test have been conducted
東莊水利樞紐渭河下遊河道動床物理模型選定平面比尺為500 ,垂直比尺為60 ,變率為8 . 33 ,在此模型上進行了水庫運用對比試驗、長系列運用試驗以及典型洪水試驗。
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