Natural language is created in comparison to mechanicallanguage.
自然语言是相对于机器语言提出来的。
2
People can aquire knowledge not only by learning through understanding the meaning but also through mechanicallanguage chain.
知识的获得可以通过理解的意义学习，也可以通过机械的言语连锁学习。
3
Support for complex numbers is essential for any programming language used by mechanical and electrical engineers, as well as most scientific disciplines.