模拟手机通信录管理系统，实现对手机中的通信录进行管理。功能要求如下： （１） 查看功能：选择此功能时，列出下列三类选择。 Ａ　办公类 Ｂ　个人类...

计算总评成绩，即各学科分数乘以各自学分之后，其和与总学分的比值。对大学生总评成绩计算有一定的帮助。-Calculating total grades, that is, multiplied by the respective credit scores of all subjects, after its, and with the ratio of the total credits. On college students grades, calculations have some help.

FDTD算法在源方面的设置 对实际编程应该有用-FDTD algorithm settings in the source area of the actual programming should be useful

利用计算机网络实现内部和远程教学，创设基于网络的学习环境，师生共同建立一个突破时间、地域限制，由以教为主变为以学为主的教学平台， 探索学科教学与信息技术有机结合的途径与模式。 系统是B/S模式。系统是给学校的师生提供一个平台，补充教学环节的薄弱，增强课下复习的效率。系统分为前台和后台。 -Internal use of computer networks and distance learning, the creation of Web-based learning environment, teachers and students to jointly build a breakthrough in time and geographical constraints, mainly from in order to teach become school-based teaching platform to explore the subject combination of teaching and information technology ways and patterns. System is B/S mode. System is to provide a platform for teachers and students of the school to supplement the teaching of the weak links and enhance the efficiency of class under review. System is divided into foreground and background.

双人竞走游戏是一个在turboC2环境下编写的小游戏，该游戏是一个双人玩的策略游戏-double game is a walk in turboC2 environment prepared by the small game, the game is playing a double game strategy.

220KV电压等级的线路微机保护原理二次回路-220KV line voltage microprocessor-based protection principle of secondary circuit

LPC2300 uart0 baundrate 384

charecter recognition

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上海黑龙麻将源代码 -Shanghai Heilonggang mahjong source code

1.本文对一种高效的升压式PWM 变换电路作了分析研究 对开关状态的切换效率高 采用双零软开关工作，大大降低了开关损耗, 提 高了电路的转换效率. 2.该电路在高频的开关电源、逆变器等电力电子电路上有很大的实用价值, 可以提高电路的转换效率. -1. In this paper, an efficient step-up PWM conversion circuit analysis study on the switch to switch the state of high efficiency soft-switching double-zero work, greatly reduces switching losses, improve the conversion efficiency of the circuit .2. The circuit in high-frequency switching power supplies, inverters and other power electronic circuits have great practical value, can improve the circuit