Compile operation manuals, authority documents, as built documents.
编辑操作手册、主管部门文件，作为已建立文档。
This will perform the given operation at compile time.
它可以在编译时执行给定的操作。
More specifically, it will perform the given operation at macro-expansion time, which is not always the same as compile time in Scheme systems.
更具体地说，它是在宏展开时执行给定的操作，在Scheme系统中宏展开与编译并不总是同时进行的。
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