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利用rtc实现的视频会议系统，包括音频、视频、文字聊天、白板、程序共享等功能-Rtc achieved using video conferencing systems, including audio, video, text chat, whiteboard, program sharing and other functions

实现双向读卡输出的门禁控制器程序，可用于需双向读卡进出的场合，也可同时控制相距较近的两个门。

examples of labview creating class ang objects。-examples of labview creating class ang objects.

this document is related to the orcad layout plus. this document is useful in understanding and starting the orcad pcb design tool layout plus.

鼠标记录器，昨天刚写的，特点是简单实用！-Mouse Recorder

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for beginners of adaboost

用E语言编写的一个简单游戏，第一次做做的不是很好，请多多指教-With E written in a simple game, for the first time doing the not very good, please the exhibitions

CAN calculator Timer set tu mcp2551 microchip

小区物业管理:管理小区的费用、小区工作人员的编排和工资管理、小区的运作、对住户资料的管理、房产资源管理、小区事务的管理、对住户的需要管理、停车场管理-Area property management: the management of district costs, district staff scheduling and payroll management, district operations, information on household management, property resource management, district management of the affairs of the household needs of management, car park management