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DSL includes data control layer ( DCL ) , data expression layer ( DEL ) and data access layer ( DAL ) .数据服务层包括数据控制层 、 数据表示层和数据 访问层.This method had certain guided signification to quadratic development of AutoCAD with Vis...
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AutoCAD itself has included programdeveloping tools such as AutoLISP, ADS, DCL etc.AutoCAD本身提供了AutoLISP 、 ADS 、 DCL等二次开发工具.The features and running way of DCL are introduced briefly.介绍了DCL语言的特点及运行方式.This method had certa...
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abbr.declaration 宣言,declarative 宣言的,decline 拒绝,decalitre 十升...