It is a set of syntactic and semantic rules used to define computer programs.
It is a set of syntactic and semantic rules used to define computer programs.
这是过去常常确定计算机程序的一套句法和语义的规章。
It is a set of syntactic and semantic rules used to define computer programs.
这是过去常常确定计算机程序的一套句法和语义的规章。