频率格纸

二维均匀各向同性介质弹性波动方程有限差分波场模拟(Two dimensional homogeneous isotropic medium elastic wave equation finite difference wave field simulation )

基于PSCAD/EMTDC搭建的双向dcdc，可做参考(Bidirectional dcdc based on PSCAD/EMTDC，provide you a strategy to build DCDC)

频率步进信号模糊函数 模糊图仿真 以及时域波形、频谱分析(Stepping frequency signal ambiguity function fuzzy map as well as time-domain simulation waveforms, spectrum analysis)

CAD画施工图图解教程，简单易懂,可以快速学会使用。(CAD painting construction drawing graphic tutorials, simple and understandable.)

说明：  DXF文件格式说明，包中包含了dxf文件的所有组码的解释(DXF file format description)

用ncl计算气象资料多年降水的eof前两个模态并作图(Calculating EOF of precipitation with NCL and mapping)

说明：  函数绘图程序 VB 编写 可以绘制初高中 函数图像 支持颜色，精度修改 鼠标执针定位(VB function drawing program to prepare middle and high school mapping function can support color images, the accuracy of needle positioning modified mouse bailiff)

利用逐点法绘制出图形，图形的绘制其实都是由折线组成的，只是每条折线的误差太小了，肉眼根本分辨不出来(use of the point-by-point drawing graphics, the graphics are actually drawn from the composition of the dogleg, only broken each of error is too small, the human eye can not be seen)

python画柱状图，python画散点图，python画双y轴图，python画柱状图，python画散点图，python画双y轴图(Python draws a histogram)

用vc+mapobjects开发的源代码，实现鼠标多边形的移动(with vc MapObjects development of the source code, mouse polygon mobile)