查询词典 ballistic curve

Therefore scientists have been engaged in research on approximate solutions of the partial differential equations,e.g.,the difference methods,the methods of characteristic curve and MWR method etc.,i.e., by using approx...

因此不少研究分布参数系统的科学工作者对这方程式近似方法进行了大量的研究，如差分法，特性曲线法和MWR法等；或者把分布参数系统近似成集中参数系统，或者把高价方程简化为低阶方程等。

This section presents two kinds of characteristic schemes, one is the natural use of the usual backward Euler characteristic difference scheme ( [60] ) onto the triangular mesh, the other replaces the backward Euler's method by modified Euler formula to approximate the characteristic differential equation, so that the discretization for characteristic curve can get up to second order accuracy.

本节给出了两种三角形网格上的特征差分格式，第一种是通常的向后Euler型特征差分格式（[60]）在三角形网格上的自然运用，第二种采用§3.3、§3.4的离散思想，使用改进的Euler公式代替向后Euler公式来近似特征微分方程，使其对特征线的离散达到了二阶精度。

The basic concept in these sections is replacing backward Euler's method by modified backward Eulers's method to approximate the characteristic differential equation and discretizing the convection-diffusion equation at the middle point of the approximate characteristic curve, which will make the convective term get up to second order accuracy.

这三节的基本离散方法是用改进的Euler公式代替向后Euler公式来近似特征微分方程，并且将近似特征线的中点作为离散节点，使得对流项的离散精度提高到二阶，对于扩散项，将其转移到待求时间层进行离散。

The analysis of affine approximation error shows that the proposed method can achieve sub-pixel accuracy when the surface does not curve too much.

文中对仿射变换近似带来的精度损失进行了分析，证明该方法能够达到分象素的精度。

The parameters A, B, C and D define the shape of the curve for the function and the values for a fit to theArcSin approximation with minimal error must be found.

参数 A， B， C 和 D 决定了函数曲线的形状。在近似的 ArcSin 中，在最小误差允许范围内，肯定存在这些值。

High above, in the back curve of the apse there stood the great Virgin, the Theotokos, the bearer of God.

半圆壁龛背面转角位置的高处，竖着一尊雄伟的圣女像，她是天主之母，上帝的孕育者。

The curve provides the basis for the testing of stress intensity factor with crack tip arc the strength analysis of component with arc crack

该曲线为带圆弧裂纹的应力强度因子测试和带圆弧裂纹构件强度计算提供了依据

Theorem The arc length of a plane curve which is smooth can be calculated.

定理 光滑曲线弧是可以求长的。

In mathematics, the integral of a function of several variables defined on a line or curve that has been expressed in terms of arc length .

数学中，定义在直线或曲线上的多元函数的积分。

The curve deformation with constant arc length constraint discussed in section one is a frequently encounted problem in the practice of computer animation.

第一节提出的基于弧长不变的曲线变形是动画制作实践中常常遇到的问题。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。