1. Assuming that appropriate ordering relations exist on the domain A and the codomain B of the function f: A → B, then f is said to be monotonic if for all a in A and b in B for which a ≤ b then f(a) ≤ f(b).
2. See weakening.
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。