二

说明：  介绍了一种铅酸蓄电池的三阶动态模型，在数字仿真软件中建立了其仿真模型，然后通过 电池的完整充放电过程验证了仿真模型的准确性及有效性，并得出了电池充放电过程中制约其充放电效率、容量的关键因素，为电池合理使用及状态监测提供了依据(This paper introduces a third-order dynamic model of lead-acid battery, establishes its simulation model in the digital simulation software, and then verifies the accuracy and effectiveness of the simulation model through the complete charging and discharging process of the battery, and obtains the key factors restricting the charging and discharging efficiency and capacity in the charging and discharging process of the battery, which provides the basis for the reasonable use and condition monitoring of the battery)

API网址缩短程序网站源码轻轻松松缩短你的网址链接(API Web Site Shortening Program Web Site Source Softly Shorten Links to Your Web Site)

说明：  求解滑动轴承润滑，可以使用，雷诺方程的求解(Solve sliding bearing lubrication)

说明：  光栅（产生完美涡旋光束，具有与拓扑荷数无关的半径大小）(Grating (producing perfect vortex beam with radius independent of topological charge))

说明：  电机控制原理，ti矢量控制算法原理，控制实例算法以及历程代码，适合28335学习这学习电机控制(Motor control principle)

说明：  wincc flexible 通讯-哪些通信协议可用于siemens hmi 设备与控制器之间的通讯(communication-wincc flexible 2008)

Bipolar Spwm Inverter Simulation done by PSCAD sofware

说明：  有关于D2D通信中，信道仿真的编程是基于python语言的。(Programming for channel emulation in D2D communication)

如何读取磁盘的空间及可用空间。-how to read the disk space and available space.

这是一个词法分析器的源程序，希望大家共同交流！-This is a lexical analyzer source, we hope that common exchange!