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学生成绩管理系统1.0，实现成绩录入，查询，修改等操作(Student performance management system 1, to achieve performance entry, query, modification and other operations)

说明：  源码采用php实现，用jquery实现ajax上传文件php版，简单全面供给各类学习参考(Source USES the PHP implementation, using jquery ajax upload file PHP version, simple comprehensive supply of various types of reference study)

一个C++控制台的井字过三关小游戏,是大家学习的好材料-Tic-Tac-Toe Plays the game of tic-tac-toe against a human opponent Uses pointers instead of refernces for function parameters

用于Crust图的散乱数据点集的曲面网格重建的算法,包括Voronoi图和Delaunay三角化的全新的曲面重建算法crust算法(The algorithm of surface mesh reconstruction for scattered data points set of Crust diagram, including Voronoi and Delaunay triangulation, a new algorithm of surface reconstruction, crust algorithm.)

[stm32] SIM808模块之发短信GPSTCPHTTP研究(Research on short message GPSTCPHTTP of [stm32] SIM808 module)

Only the BASWORD instruction is initially added. But it is enough to manage the additional ones. BASWORD will create, remove, list the other instructions, and will also help moving the keyword table to given location.(keyword manager for the Sharp PC-1500/A and the TRS-80 PC-2 This code is expected to run on the Sharp PC-1500/A and the TRS-80 PC-2. This version is still in pre-alpha release. It is not fully mature and bugs may be present.)

C/C++自动生成简单流程图，自动生成简单流程图(Automatic generation flow char)

ANSYS编写的二维粘弹性人工边界斜波入射，直接用就可以了(The two-dimensional viscoelastic artificial boundary oblique wave incident written by ANSYS can be used directly.)

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说明：  通过485进行程序升级，更新现有代码，不再使用专用下载器进行。(485 upgrade procedure)