The parabolic shape is better than the arc shape through comparing time averaged pressures, fluctuating pressures and cavitations by theoretical analysis and hydraulic model experiments.
通过理论分析与模型试验，从时均压力、脉动压力、空化数等方面得出缓坡与陡坡过渡衔接部位采用抛物线型式较圆弧型式好的结论。
Using the critical estimates of parabolic type partial differential equation. we obtain the error estimates of price and optimal exercise boundary of American option in a jump-diffusion model.
利用抛物型偏微分方程的极值原理，得到了带跳扩散模型下美式期权价格及最佳实施边界的误差估计。
Wave mathematical model of parabolic gentle slope equation is an effective method for calculating waves of wide scope.
抛物线形缓坡方程波浪数学模型是进行大范围波浪计算的有效方法。
The single parabolic curve describing the distribution of soil moisture storage capacity is substituted by double parabolic curve to promote the widely used Xinanjiang model for runoff calculation.
提出了双抛物线型土壤蓄水容量关系曲线，对新安江模型产流计算公式进行了改进。
Parabolic curve function, power function, Richards equation and single molecular equation, related tree height to diameter at breast height and widely used in forest gap model, were analysed.
为了更准确地描述树高与直径的关系，文章综合分析了广泛应用于林窗模型中的四个数学方程，即二次曲线、幂函数方程、理查德方程和单分子方程。
The parabolic equation method has been used widely in the electromagnetic wave propagation model and becomes the main tool to resolve the problem of electromagnetic wave propagation.
抛物方程方法已经被广泛地应用于电磁波传播模型，并成为解决电磁波传播问题主要的工具。
The parabolic wave model is more reliable than the simple refraction model in bigger area with slowly -varying water depth.
对于港外大范围缓变地形水域，抛物型方程模型较传统的折射模型则更可靠。
The model is based on a modification to the smooth-earth parabolic equation, and uses the split-step Fourier algorithm.
以“热像”形成的衍射理论模型和分步傅里叶算法为基础，模拟研究了厚介质情况下“热像”的形成特点。
In this method, the effect of most real environment factors is considered with parabolic equation. Finally, the method of building and rendering 3d model of radar maximum detection range is given.
该方法综合考虑真实环境因素的影响，采用了抛物方程方法，最后给出了雷达最大探测范围三维模型的建立和表现方法。
The utility model relates to a drawing implement which is capable of drawing a parabolic curve and hyperbolic curve.
本实用新型是一种画抛物线和双曲线的画图工具。
The utility model relates to a drawing implement which is capable of drawing a parabolic curve and hyperbolic curve.
本实用新型是一种画抛物线和双曲线的画图工具。
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