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后台发送按键小程序。可以将指定按键命令发送到指定窗口。(Background Send button applet. Designated key commands can be sent to the specified window.)

SWMM源代码，里面包含SWMM计算引擎，以及动态链接库、源文件和头文件，可供其他软件进行二次开发(swmm resurce code reate a sub-directory named VC2010_DLL under the directory where the SWMM 5 Engine source code files are stored and copy SWMM5.DEF and VC2010-DLL.VCPROJ to it.)

说明：  dive into python book for linux

用ＰＩＣ１６Ｆ５１０单片机，实现按键调光程序。按键按一下为强光，按两下为工作光，工作光电流为强光的１／２，按３下为频闪，按４下为关机。且程序设定低电压报警功能，当外部供电不足９.９Ｖ时会闪烁１０次，低于８.４Ｖ时关机

说明：  超声波测距并且oled显示，误差小，精度高，基于51单片机(Ultrasonic ranging and OLED display, small error, high precision, based on 51 single chip microcomputer)

本世纪70年代，人们曾疯魔一种被称作“生命游戏”的小游戏，这种游戏相当简单。假设有一个像棋盘一样的方格网，每个方格中放置一个 生命细胞，生命细胞只有两种状态：“生”或“死”。-the 1970s, it has been a crazy magic known as the "Game of Life" small games, this game is quite simple. Suppose a chessboard like the same square grid, each box had placed a living cell, cell life only two states : "Health" or "die."

一个加法练习的程序。。针对小学生做的。带家教的时候做的。很方便学习-an additive to practice procedures. . Elementary students do. With tutor when done. Very facilitate learning

平均或标准差，通常计算了信号的分析，整体的一部分。但是，有时我们想知道这个数量在不断变化的数据流。 MEANSTDF计算预期的平均值和标准偏差值使用定义为每一个用户的数据的位置窗口。输出可能是有用的，而非线性趋势化和平稳性分析。-Mean or standard deviation are usually computed for whole part of the analysed signal. However, sometimes we would like to know how this quantities are changing in the data flow. MEANSTDF compute the expected mean and standard deviation values using user defined window for every data position. The output can be useful while nonlinear detrending or stationarity analysis.

主要是建立考虑温度场与立场耦合下的直齿轮动力学模型。通过龙格库塔法求解，得出一系列的动态特性。(The dynamic model of spur gear is mainly established considering the coupling of temperature field and position. A series of dynamic characteristics are obtained by using the runge-kutta method.)

说明：  matlab。优化PSOELM算法源码，粒子群优化算法极限学习机(The matlab. Optimal PSOELM algorithm source code, the particle swarm optimization algorithm is extreme learning machine)