编译程序只能一次读取、翻译并执行源程序中的一行程序。

Only a compiler reads, translation and executed in source program line program.

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编译程序是把源程序翻译成可执行程序(即目标程序)的程序。

Compiler is a program that translate a source program into an executable program (an object program).

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因为编译是按程序的静态顺序线形扫描程序的，而非动态顺序重复翻译，使用编译程序时，只需对源程序编译一遍，以后每次只运行目标程序。

Because compiler scan program with static order of program, not dynamic order. while using compiler, compile source program only one time, run more times.

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