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用于所下载的calipso数据中气溶胶类型的频率统计(Statistics of the annual aerosol depolarization ratio frequency used in the downloaded calipso data)

复合材料失效准则子程序，君莫老师视频讲解课程里用到的子程序(Subprogram of Failure Criterion for Composite Materials)

说明：  jQuery全国高校三级联动下拉框基于jquery.1.(JQuery is based on jquery.1.)

这个程序可以计算给定点处的小区信号范围覆盖。-is program computes a map of visibility from a selected point on a topography. It has been written to help the search for radio relay best location. Because it considers only direct line of sight, it gives a good estimation for possible radio link for short distances only (less than 10 km), neglecting curvature of the Earth, Fresnel zone and atmospheric refraction on radio waves propagation. The program computes the relative elevation angle of the mask for each point (the angle is null or negative if the point is visible). The function needs a digital elevation model Z and associated (X,Y) vectors or matrices of coordinates (same unit as Z), position of the point (X0,Y0), the antenna height H0 (for instance 4 m), and the hypothetic antenna height Ha on each topography points (for instance 3 m). When no output argument is given, the function plots a map of the results (color map of mask angles, and blank for visible points, see example screenshot). The s

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八数码的C++解法，广度优先算法完成，人工智能中难题-eight digital C solution, the breadth- first algorithm. AI problems

说明：  1、采用超声波测距，速度快，精度高，精度1毫米。 2、按键设置设置报警距离，上限和下限。 3、LCD1602液晶显示。 4、结构简洁，稳固，高效。(1. Ultrasonic distance measurement, high speed, high precision, accuracy of 1 mm. 2. Press the key to set the alarm distance, upper limit and lower limit. 3. LCD1602 liquid crystal display. 4. The structure is simple, stable and efficient.)

VB多风格窗体右键菜单，在演示程序的空白处点击右键，可弹出Windows标准风格菜单、渐变式菜单、多彩风格菜单、XP风格菜单以及3D风格的菜单，一种5种风格可选择，相信用在你的VB应用程序中，相当漂亮和专业了，而且每种风格都包括调用模块，使用方便。

Ansys Dynamci Analsysi Code - 3

CSS3设计制作的网页常用ICO图标，非常多的图标素材，用CSS3来实现的，没有任何图片，网页上使用图标修饰，可起到很好的美化作用，用CSS代码来生成图标，可减少HTML对资源的调用，加载速度变快。