...聚性与非凝聚性土壤之 p u 及 y c 后，便可代入 Matlock [21] 所提出对承受短 期静载重作用下土壤之三次抛物线 (cubic parabola) 的 p-y 曲线关系式： ? ? ? = > ? ? ? ? ? ? = ≤ u c c u c p p y y y y p p y 8 for 5 . 0 for 33 .
Compared with other types of open channel cross-section, the cubicparabola shape open channel is one of the open channels which convey water more efficiently.
与其他形式断面渠道的比较结果表明，立方抛物线形断面渠道也是一种水力较优的输水渠道。
2
The geometry of turnout of France and Germany is described. It is pointed out that cubicparabola has been a development direction of geometry of the big number turnout.
论文介绍了法国和德国的线型，指出采用三次抛物线线型已成为大号码道岔线型的发展趋势。
3
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.