English for academic purposes in sports may be defined as a subsystem of the English language that is applied in research and academic exchange in the field of sports.
体育学术英语是英语的一个子系统，是人们从事体育科学研究活动和进行体育学术交流时所使用的语言。
Language is not only a subsystem but a carrier of culture system.
语言是文化大系统的子系统和载体。
In the nc automatically programmed subsystem, a data base is used to transmit information and the automatically programmed language is used to achieve automatical emergence of nc code on the computer.
数控自动编程系统以数据库作为数据传递方式，利用数控编程语言，实现了数控加工代码的计算机自动生成。
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