查询词典 parabolic curve

According to the geometrical optics, the focusing spot of this parabolic mirror is studied by ray tracking.

根据几何光学原理，采用光线追迹的方法对该抛物面镜的光斑进行分析，证明通过抛物面镜反射聚焦后，能够将原始圆形激光束整形为光强分布均匀的窄条形光斑。

This thesis is concerned with the existence and uniqueness of solution, and global attractor's existence of two nonlinear parabolic equations in R 2 and R n.

这篇论文研究了一个R~2和一个R~n上非线性的抛物方程的解的存在性、唯一性、和全局吸引子的存在性。

Parabolic crafts with various geometry parameters are analyzed on this method. The calculated results show that the half open angle of craft affects the coupling coefficient of momentum.

计算结果显示飞行器获得的冲量耦合系数和飞行器的半张角有关，半张角相同的飞行器，焦距大的冲量耦合系数要大。

The parabolic dish antenna provided helical scan for air search, and conical scanning for precision tracking.

工作频率在2700~2900MHz。

I was a university student, I had not done a very complex programming exercise, This is the first time I upload source. this is the upload computer graphics, I do exercises at the WIN-TC environment prepared by some of the procedures, these are the basic 2D graphics transform (translation, rotation, Shear, Zooming, symmetric) animation demonstration, three-dimensional map of the two-dimensional plane of the hidden map, the lines cut, the parabolic mapping and B-spline curves mapping, detailed procedures of the Notes, and I hope to the students friends to help.

详细说明：我是一名大学的学生，我没有做过很复杂的编程练习，这也是我第一次上传源程序，这次上传的是我做计算机图形学的练习时在WIN-TC环境下所编的一些程序，其中有二维图形的基本变换（平移，旋转，错切，放缩，对称）的动画演示、三维图在二维平面上的消隐图的显示、线条的裁减、抛物线的绘制以及B样条曲线的绘制，程序中有详细的注释，希望对学生朋友们能够有所帮助。

The "base" hunters, the ideal state is: under the decline in the stock, the fund managers轻仓, escape; in low when the fund manager and can重仓successful hunters; course, fund managers must be able to step on the high-paced quasi-parabolic bargain-hunting.

的"基地"猎人，理想的状态是：在股市下跌，基金经理轻仓，逃生，在低，基金经理和可重仓成功的猎人，当然，基金经理必须能够加强对高节奏的半抛物线逢低吸纳。

Based on the time history analysis performed on three kinds of high-rise block masonry structures (10-story, 15-story, 18-story structures respectively) and the study on the inertia force distribution of the structures, a new pattern of lateral force distribution, namely parabolic distribution pattern, is presented here.

对3种不同中高层砌块砌体结构(分别为10层、15层和18层砌块砌体结构)进行大量时程分析，对结构的惯性力分布进行研究，提出一种新的适用于中高层砌块砌体结构Pushover分析的侧向力分布模式-抛物线型分布模式，并用该模式分别对3种砌块砌体结构进行Pushover分析。

After the Song and Yuan Dynasties, Song Wei has become the cultural entertainment and a place for men and women love, and a parabolic Hydrangea game.

宋元之后，歌圩也成了文化娱乐和男女谈情说爱的场所，并出现了抛绣球的游戏。

Parameter τ＇(ratio of lag time of diffusion process to relaxation time of polymer) can define the form of the differential equation: hyperbolic or parabolic.

参数τ＇（扩散的瞬态过程引起的滞后时间与松弛时间之比）的存在与否决定了方程是双曲型还是抛物型。

The calculation result shows the velocity of heat and mass transfer is finite and has the characteristics of wave. The compare of the results of hyperbolic equation and those of parabolic equations shows there is a delay between both the thermal and the mass of the former and those of latter.

计算结果表明：在考虑热量传递过程的松弛效应以后，发现热量传递速度是有限的且具有明显的波传播机制，计算结果和由抛物型方程进行计算得到的结果进行比较发现不管是热量传递还是质量传递在时间上都有一个延迟。

The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.

论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。

I have not really liked him,I do not like his this kind of disposition.

我没有真的喜欢他，我不喜欢他的这种性格。