程序设计语言分为机器语言、汇编语言和高级语言三类。机器语言是计算机唯一能直接使用的语言，也叫做计算机指令。
Programming languages are divided into three types: machine language, which is also called an instruction system, is the only one used directly by computers. The.
编译器是一种将高级程序设计语言编写的源程序转化为语义等价的机器语言程序的系统软件。
Compiler is a system software that translates high level programming language into semantically equivalent machine code.
程序设计人员可能用机器语言或汇编语言来工作。
Programming language: Language in which a computer programmer writes instructions for a computer to execute.
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