用户: user; subscriber; consumer; ...定义: definition; delimiting视图: view边界: boundary; frontier; border; ...定义视图边界: define view boundary用户定义的视图: user defined view定义视图: create view自定义视图: custom view视图边界: view boundaries图纸视图边界: drawing view boundaries用户定义: user defined; user-defined用户定义的: user-defined用户定义库: user defined library用户定义值: user defined values用户定义字: udw; user defined word; user-defined word视图边界构造线: view boundary construction lines用户定义功能，用户定义函数: user define function, udf用户定义按钮: user-defined button用户定义常量: user-defined constant用户定义符号: user-defined symbols用户定义功能: udf user-defined function; user define function, udf用户定义函数: user define function udf; user-defined function用户定义聚合: user-defined aggregate用户定义类型: user defined type用户定义命令: user defined command
