system
1. A combination or assembly of components that forms a complex whole entity that functions as single unit, such as a computer system, PBX system, or transmission system. 2. An established, orderly method or procedure for doing something.
科学参考收录了5291条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。