例题13.1 一元二次方程及出错信息

能对已有的单词数据库进行查询，修改，实现双向翻译，并能够进行模糊查询(Word on the existing database can be queried, modified, two-way translation, and be able to carry out fuzzy query)

基于12864制作的多功能太阳能热水器设计 硬件：AT89S52单片机，晶振为12MHz，KS0108驱动的128*64液晶，SPI总线的DS1302时钟，1-WIRE温度传感器DS18B20 (Based on 12,864 solar water heaters produced multifunctional hardware design: AT89S52 microcontroller, crystal oscillator is 12MHz, KS0108 128* 64 LCD driver, SPI bus clock,1-WIRE DS1302 temperature sensor DS18B20)

VB sample code for NI-DAQ card.

顺序表插入x值顺序表插入x值顺序表插入x值(Insert x value of the order sequence table table table is inserted into the x value of the order value of x)

说明：  C++编程指南电子版 ，林锐博士的多年C++编程经验总结，其中C++编程中需要注意的问题和编程技巧总结的不错 (C++ programming guidelines electronically, Dr. Lin Rui years of Experience in C++ programming, including C++ programming problems that need attention and good programming skills summary)

该书籍详细介绍了802.11底层协议的相关算法机制，能够为802.11的底层协议改造提供最基础的技术支持。(The book details the underlying 802.11 protocol mechanisms related algorithms that can transform the underlying protocol for the 802.11-based technology to provide the best support.)

化学驱仿真模拟系统，由美国得克萨斯大学编写。(Chemical flooding simulation system, prepared by the University of Texas.)

主要计算声学里的 A计权中各频率点的修正值，自动计算得出修正值。(It mainly calculates the A weight of the acoustics, the correction value of each frequency point, and automatically calculates the correction value.)

模拟超声波传播过程中非线性现象，输出非线性畸变波形(Simulation of ultrasonic wave propagation in non-linear phenomena，Non-linear distortion output waveform)

在KEIL C51平台上 用 汇编写的一段程序（主要功能是 测频率：数字频率计)(In KEIL C51 platform a program written in assembly (the main function is to measure frequency: digital frequency meter))