视

Objective: To test the accuracy of the Personal Computer-Random dot Stereogram, study the effect of the size of random dot on the stereoacuity of amblyopia.

中文摘要：目的测试自制计算机随机点立体视检查图的准确性，探讨随机点大小对弱视患儿立体视锐度的影响。

Far and near distance stereoacuity are detected with synoptophore and Yan's far and near distance radom-do stereogram.

使用同视机及颜少明远用和近用随机点立体图对其进行双眼视功能和远、近距离立体视锐度的检测。

She is one of the pioneers who discovered the relation between distance and stereoscopic vision.

致力于儿童斜视、弱视、立体视的临床研究，并在国内率先提出距离与立体视的关系。

The reversal rate of the stimuli was 2.9 Hz, and the contrast level was 100%. The latency and amplitude of P1 wave were recorded while the threshold stimulus was given.

结果：阈刺激空间频率与视敏度的对数值之间关系密切，两者之间的数学模型为■=－0.114－0.010X（r = 0.756，P﹤0.01），通过PRVEP推算的视敏度与平均视敏度之间无差别（P＞ 0.05）。

The tectal cells with E, E-I, and I types of responses tended to be localized in the deep, intermediate, and superficial layers of tectum, respectively.

电刺激峡核诱发67％的视顶盖细胞兴奋反应；16％的视顶盖细胞兴奋-抑制反应；17％的视顶盖细胞抑制反应。

So the optic rectum is centrum of visual system. The avian optic tectum showsthe highly organized lamination.

视顶盖是视叶外侧部一个分层很明显的结构，在顶盖下的视叶内侧区包括顶盖前区、峡核和中脑网状结构。

In chapter 4, basing theories and methods of scientific visualization, and artificial neural network BP algorithm, we integrate the Visual C++, OpenGL graphics library and Excel VBA technique to develop the program of artificial neural network and to make the BP algorithm visually, this program works can be divided into four parts: Using C language to develop program about BP algorithm; Using Visual C++, develop the GUI Interface, make input parameter visually; Using OpenGL graphic technique to display the training sample point in three dimension; at last using Excel DDE technique display the error graphic tables in Excel system In chapter 5, on the view of engineering application, we establish new method of surface reconstruction basing artificial neural network, develop interface program between module and commercial CAD/CAM system, meantime deeply discuss some key problems, for example, setting up the base plane, using the API technique, cutting and editing surface boundary, and also discuss the more compliant problem: how to intersect surface, at end we finish the work of translation from our surface reconstruction module to commercial CAD/CAM system, then make reverse engineering system basing artificial neural network more useful.

第四章基于科学计算可视化理论，依据人工神经网络BP算法理论模型，综合Visual C++，OpenGL图形库以及Excel VBA等多项软件开发技术，编制了人工神经网络程序，实现了BP算法的可视化映射。具体工作分为四部分：利用C语言实现人工神经网络BP算法；利用VisualC++的GUI技术开发图形用户界面，实现参数设置可视化；利用OpenGL图形技术进行三维映射，显示学习样本及训练样本点；利用微软电子表格DDE动态数据交换技术，在Excel上动态显示学习误差曲线图。第五章从工程应用的角度出发，提出了一种新的基于人工神经网络算法的曲面裁剪重构方法，完成了曲面重建模块与通用CAD/CAM系统的接口设计工作，对其中的若干关键问题进行了深入讨论，例如基平面设定、API技术的应用、边界裁剪等问题，同时，对曲面计算中较为困难的曲面相交问题也进行的专门探讨，最终完成了曲面重建模块向CAD/CAM系统的数据传输工作，使人工神经网络逆向工程系统趋向实用。

With this interface, the setting of initial conditions, the combination of arbitrary parameters, the geometrical display of power spectrums, trochoid chart of phase portraits, Poincare mapping, analogous dynamic graph of displacements and the analogous vibration graph of mass blocks can be realized in an interactive way.

通过该可视化分析模型可以对非线性振动系统的混沌动力特性等进行全面地研究。该可视化分析模型具有操作简单、可视化程度高、可变参数调节方便、计算机仿真准确和分析问题全面等优点。

Vector field visualization is an important part of visualization in scientific computing.

矢量场可视化是科学计算可视化的重要组成部分。提出了一种新的平面矢量场可视化

Specifically, the viewing angle is divided into the level of visual angle and vertical viewing angle.

具体来说，可视角度分为水平可视角度和垂直可视角度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。