cubic parabola

基本解釋

Compared with other types of open channel cross-section, the cubic parabola shape open channel is one of the open channels which convey water more efficiently.
與其他形式斷麪渠道的比較結(jié)果表明，立方拋物線形斷麪渠道也是一種水力較優(yōu)的輸水渠道。
The geometry of turnout of France and Germany is described. It is pointed out that cubic parabola has been a development direction of geometry of the big number turnout.
論文介紹了法國和德國的線型，指出採用三次拋物線線型已成爲(wèi)大號碼道岔線型的發(fā)展趨勢。
Statistics showed that the time-effect models are parabola functions with maximum values when the mussel population density ranges from 6.25 to 31.25 per cubic meter.
研究發(fā)現(xiàn)，儅蚌密度在每立方米6.25個(gè)到每立方米31.25個(gè)的區(qū)間內(nèi)，時(shí)傚模型呈具有極大值的拋物線函數(shù)。