元素的倒计时jquery插件

perform3D混凝土资料，对于学习混凝土结构的建模有很大的帮助(perform3D concrete assistant, a great help for learning the modeling of concrete structures)

将输入的数据n分为指定的k组，返回不同的分法种数length及分组明细数组a-N will be data entered into the designated group of k, a different method to return the number of species and sub-length array of a detailed

水润滑轴承计算程序，适用于底部不开槽的轴承(Water lubricated bearing calculation procedure for bearings that are not slotted at the bottom)

说明：  仿真实现了DAB的移相控制效果，可用于DAB控制的开发与运行特性分析。(The simulation realizes the effect of phase-shift control of DAB, which can be used for the development and operation characteristic analysis of DAB control.)

该功能把hdf数据中的波段 2、5、17、18、19转换成表观反射率，以便进行大气水汽反演(The function converts the bands 2, 5, 17, 18 and 19 in HDF data into apparent reflectance for atmospheric water vapor retrieval)

black box design in simulink

网页左侧栏JS折叠菜单，可伸缩展开菜单项目，Windows XP menus，菜单前带图标，国外菜单设计作品，带动态渐变效果，示例效果截图如上图所示，兼容火狐/IE8+/Chrome等浏览器。

在STM32F103C8T6上非常精简的FreeRTOS系统，亲测可行。包括创建任务和删除任务，可通过串口1来看效果。(The very streamlined FreeRTOS system on STM32F103C8T6 is feasible. It includes the creation of the task and the deletion of the task, which can be seen through the serial port 1.)

是一个IIC通信程序，利用定时器进行扫描按键和数码管(IIC is a communication program, using the timer button for scanning and digital control)

mimo-ofdm无线通信及实现一书随书源码(source code in mimo-ofdm wireless communication)