是个文档,和软件工程类似,如何实现一工程所需步骤

一个用ActionScript3.0实现的flash3D效果，可以实现任意轴的拖动旋转，可以通过鼠标滚轮进行放大和缩小。

劳保用品管理系统-supplies insurance management system

一个漂亮的日记本，记录个人每日的心情，和每日的情况-A beautiful diaries, records of individual daily mood, and daily situation

能自动设计出最佳的文丘里管,只需进口的参数即可。-Can automatically design the best Venturi tube, simply import the parameter.

很多个小游戏的源代码，希望给大家能带来小小的快乐-many small games of source code, we can hope to bring little joy

GUI界面菜单设计，包含了gui界面设计的源代码-GUI interface, menu design, contains the source code gui interface design

介绍c语言的强劲手册，精典之作，适合初学者使用。-introduced the strong language manual for the classic, suitable for beginners.

Java结合JSP的论坛系统！-forum system.

for the just beginning learn the computer person,use DOS is boring . after known a little DOS,think dos is mysterious.this is the book introduce how to use dos deeply.

学生成绩核算系统的设计与实现（25） 要求：（1）按班级按课程从文件中读入相应的平时成绩、期中考试成绩和期末考试成绩。 （2）三个成绩对总评成绩的百分比被定义为常数，各占总成绩的30 、30 和40 。 （3）计算每位学生的总评成绩。 （4）计算该班级本课程的总平均成绩。 （5）计算处于优、良、中、及格、不及格的学生人数以及占总人数的百分比。其中100-90为优，89-80为良，79-70为中，69-60为及格，60分以下为不及格。 （6）按要求输出成绩在优、良、中、及格、不及格各区间的学生学号、成绩。-The student achievement calculation system s design with realizes (25) Request: (1) reads in the corresponding usual result, the midterm examination result and the terminal examinations result according to the class and grade according to the curriculum from the document. (2) three result are defined to the general appraisal result s percentage as the constant, occupies the overall result respectively 30 , 30 and 40 . (3) calculates each student s general appraisal result. (4) calculates this class and grade this curriculum the population mean result. (5) calculates the student population which is in superiorly, good, passes an examination, does not pass an examination as well as accounts for the total number of peop