One or more indices written to the upper right of a symbol, as with the n in f(n) to denote a higher derivative or as with the x in 2x to denote an exponent. Compare subscript.
科学参考收录了60776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。