本书全面介绍了IDL的基础只是和应用编程技巧。初级者可以掌握IDL的基础语法，中高级读者可以学会如何编写易于理解而又高校的IDL程序。-This book gave a comprehensive account of the basis of IDL programming techniques and applications only. Primary will be able to grasp the basis of IDL grammar, middle and senior rea