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基于sellmeier方程产生的折射率，可通过改变材料的sellmeier系数，来计算材料的折射率。(Based on the refractive index generated by the sellmeier equation, the refractive index of the material can be calculated by changing the sellmeier coefficient of the material)

智能企业建站系统，该系统能让用户在短时间内迅速架设属于自己公司的企业网站。建站系统易学易懂(Intelligent Enterprise Station Building System, which enables users to quickly set up their own company website in a short time. Station building system is easy to learn and understand)

说明：  功率因数矫正仿真根据对Boost电路工作原理和有源功率因数校正（APFC）控制方案的研究分析，设计了一款采用Boost电路的APFC变换器。输入电压为220V±10％（198VAC~242VAC）。(Power factor correction simulation based on Boost circuit principle and active power factor correction (APFC) control scheme research and analysis, designed an APFC converter using Boost circuit. The input voltage is 220 V +10%(198VAC~242 VAC).)

nodo lora con stm32 con codigo vuente(codigo fuente arduino lora stm32)

Charlieplexing with Atmel Attiny13 and twelve light emitting diodes

说明：  各比例微分系数下系统的单位阶跃响应，有扰动曲线，随着微分作用的加强，系统的超调量减小，稳定性极高。(The unit step response of the system with various proportional and differential coefficients has perturbation curve. With the enhancement of differential action, the overshoot of the system decreases and the stability is very high.)

国网电表通信规约dlms规约，老外写的源代码，c语言编写(State Grid meter communication protocol dlms protocol, foreigner to write the source code, c language)

Java字符、字符串、数组操作实例，主要是数组的复制、反转字符串中的字符、命令行参数、求字符串的长度及每一个位置上的字符、数组的排序、String类数组的操作等方面的例子，相信对初学者学习Java有帮助的。

PSO算法；适应度函数；模态置信矩阵；求解案例分析(PSO algorithm. Fitness function; Modal confidence matrix; Solving case analysis)

C++ Primer的第三版结合了Stanley Lippman的实践经验和Josée Lajoie对于ANSI/ISO标准C++的深入理解。这本指导书的第三版已经被重新改写过，以便更加精确地讲述标准C++的特性和用法。在本书中，对于C++初学者特别有价值的是一些来自真实世界中的程序例子，它们说明了泛型程序(generic program)的设计、面向对象程序的设计、模板的用法，以及使用标准C++进行程序设计的方方面面。而且，本书也在适当的地方讲到了一些习惯用法以及效率指导。-C Primer combination of the third edition of the Stanley Lippman had practical experience and Jose; for ANSI/ISO C standard in-depth understanding. This third edition of the guide book has been redrafted too, to be more precise description of the C standard features and usage. In the book, for C beginners particular value of some real-world examples of the procedures, they show Generic procedures (generic program) in the design, object-oriented design, the use of templates, and the use of standard C for all aspects of the design process. Moreover, the book was also the right place describes some of the efficiency and usage guide.