preprocessing directive中文什么意思

前置处理器指示词

• directive:    n. 〔美国〕命令，训令，指令；方针 ...
• preprocessing:    预处理; 预加工
• data preprocessing:    数据预处理

例句与用法

1. Use this option to save processing time when a file such as a header , or . h , file for a . c or . cpp source file is included in several source files but is unchanged by preprocessing directives each time
   C或. cpp源文件的头或. h文件）包括在几个源文件内但每次都不被预处理指令更改，则使用此选项以节省处理时间。