数据库比较工具，分别输入要连接的数据库，比较库中相同名字的表的字段是否相同，相同表名前会自动打勾，结果得出相同字段有多少，表a比表b多出的字段是什么，少的是什么。-database comparison tool to import the database to link more library the same name of the table if a field is the same as before the same table name will be automatical

光学设计软件zemax源码： This DLL models an nular aspheric surface as described in: \"Annular surfaces in annular field systems\" By Jose M. Sasian Opt. eng. 36 (12) P 3401-3401 December 1997 This surface is essentially an odd aspheric surfa

《field-field methods in materials science and engineering》中model-B的源代码。-" Field-field methods in materials science and engineering" in the model-B source code.