functional relations的用法和樣例：
例句
- Functional relationships permeate every part of science.
函數關係滲透自然科學的每個部分。 - The mathematical model in economic management is usually determined by economic laws and functional relations,with relative limits in econometrics,etc.
經濟管理中的數學模型通常是由一定的經濟規律和函數關係所確定，在計量經濟學等模型中常常帶有相關性方面的約束。
