Concept:
1. Macro: The so-called macro, is a number of commands organized together as a separate command to complete a specific task. In Microsoft Word, macros are defined as: "Macros are a series of Word commands that can be organized together as a separate command, which makes daily work easier." Word uses the macro language Visual Basic to write a macro as a series of instructions. It seems to me that a macro is a collection of instructions that are grouped together to accomplish a specific thing through a single command. Baidu explained: The macro in Computer science, is a batch batch processing appellation. Generally, a macro is a rule or pattern, or syntax substitution, that describes how a particular input (usually a string) is converted to the corresponding output (usually a string) based on a predefined rule. This substitution occurs during precompilation, called macro expansion.
Precautions:
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