2

采用的是规则网格进行的波场模拟，该方法是对一阶的声波方程进行的模拟，应用了二阶的精度 (Uses a regular grid for the wave field simulation, the method is an order of the acoustic wave equation simulation, the application of the second-order accuracy)

本文是英文数据手册的中文翻译，其目的是方便中国用户的阅读。它无法自动跟随原稿的更新，同时也可能存在翻译上的错误。读者应该以英文原稿为参考以获得更准确的信息。(This is the English manual data the Chinese translation, which aims to facilitate the reading of the Chinese users. It can not automatically follow the updated script, but also there may be translation errors. Readers should refer to the original English to obtain more accurate information.)

max232的pdf资料，可以方便大家制作串口通信时使用-MAX232

说明：  改版MT4 MACD 指标，提供买入卖出信号，EA 交易(Revise MT4 MACD index, provide buy sell signal, EA transaction)

几何体的体积表面积计算-geometric size of the surface area calculation

单相半波整流电路谐波分析，可以计算谐波的幅值，谐波含量并画图(Single-phase half-wave rectifier circuit harmonic analysis, harmonic amplitude can be calculated, harmonic content and drawing)

洛伦兹混沌系统的仿真模型，在积分模块中选择不同的初值(The simulation model of Lorentz chaotic system chooses different initial values in the integral module)

说明：  matlab编程，利用灰度共生矩阵方向四个特征值描述其纹理特征(Matlab programming, using four characteristic values of gray level co-occurrence matrix direction to describe its texture characteristics)

说明：  防封杀随机跳转 ,域名防封系统，适用于微信开发(Anti-blocking random jump, domain name anti-blocking system, suitable for the development of Wechat)

说明：  EGM is even GM(1,1) model. Used for prediction and forecasting of grey data.