As the name suggests, a precompiled header file contains object code in a compiled form that is included before the header stop point.

正如其名称所表示的，预编译头文件在头中止(headerstop)点之前，以一种经过编译的形式包含目标代码。

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The make utility checks the modification dates of files—header files, source code, data files, and object files—and builds the C source files that are appropriate.

make实用工具检查文件（头文件、源代码、数据文件和目标文件）的修改日期，并编译合适的C源文件。

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The make utility checks the modification dates of files—header files, source code, data files, and object files—and builds the C source files that are appropriate.

make实用工具检查文件（头文件、源代码、数据文件和目标文件）的修改日期，并编译合适的C源文件。

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