Principal

GLCD(TM0027) AVR-GCC SOURCE

说明：  巴特沃斯滤波器C语言实现,低通滤波器,IIR(Butterworth filter C language implementation, low pass filter, IIR)

话费语音查询及点歌软件 电信商用,通过电话查询话费,还可以点歌,本版只支持东进语音卡(Telephone fee voice inquiry and song-ordering software telecommunications business, telephone call inquiry fee, but also can order songs, this version only supports Dongjin voice card)

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Borland C下编写的音频，视频播放器(Audio,video player under Boland C)

list of at commands which will help you to maker a call and recieve a call

Comm use for hardware manipulation

G 655-2003非零色散单模光缆特性 pdf(Characteristics of G655-2003 Non-zero dispersion single Mode Optical Cable pdf)

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我在上个世纪写的一个批量修改文件时间属性的精致实用小程序，在Windows下可用（开发环境：DOS,BC3.1）。 (I write in the last century, a batch of time to modify the file property of the exquisite small practical procedures can be used under Windows [Development Environment: DOS, BC3.1].)