未定: uncertain; undecided; undefi ...义: justice; righteousness数据: data; record; information求定义数据: undefined data自定义数据: self-defining data定义数据类型: user-defined data type定义数据命令: define data command频道定义数据: channel definition data预定义数据库: predefined database和预定义数据库: predefined database用户定义数据类型: user directory synchronization; user-defined data type预定义数据类型: predefined data type自定义数据类型: type statement自定义数据链接: custom data link定义数: define number程序员定义数据类型: programmer defined data type; programmer-defined data type广义数据结构定义工具: generalized data structure definition facility广义数据结构定义设备: gdsdf generalized data structure definition facility; gdsdf generalized data structure definition facility使用者定义数据类型: user directory synchronization; user-defined data type未定义: tbd to be defined; undefined()定义数组: defined array隐定义数组: implicit defined array名义数据: nominal data语义数据: semantic data如果未定义: ifndef
