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该程序可以绘制出扇形，并且带有黑色边框。(The program can draw out the fan, and with a black border.)

graphic game developing source code

著名画图程序 gnuplot 的几个例子(The samples for gnuplot to plot figure used in LaTeX, export EPS and JPEG.)

说明：  使用matlab代码画语音信号的语谱图，可作为参考资料(Using matlab code to draw speech signal spectrogram can be used as reference.)

（修正）剑桥模型排水条件下应力应变曲线作图全过程，有源程序((Amendment) Cambridge model drainage conditions, the stress-strain curve plotted the whole process, the source code)

对于刚接触曲线拟合C++编程的同行是一个不错的例子。(刚接触curve fitting for the C++ Peer programming is a good example.)

说明：  一个简单的C语言开发的CAD二维画图软件，对刚刚开始学习大型程序设计的学习者有一定帮助(A simple CAD two-dimensional drawing software developed in C language is helpful for learners who are just beginning to learn large-scale programming.)

基于频散曲线，选择抽样脉冲信号作为子波，推导出了合成单炮面波地震记录的理 论公式，并利用该公式，针对不同弹性层状介质模型的频散曲线合成了面波地震记录。(Based on the dispersion curve, select the sampling pulse signal wavelet derived synthetic single artillery surface wave seismogram theoretical formulas, and the use of the formula, seismogram synthesis of surface wave dispersion curves for different elastic layered media model.)

在PSCAD中建立的利用电抗器跌落的模型，可用于低压穿越过程的仿真(In PSCAD established using the model of the reactor drops, can be used for the low pressure through the process simulation )

VSP褶积模拟模型，通过时距曲线模拟vsp褶积模型(VSP convolution simulation model, through simulation vsp distance curve convolution model)