limit relation的用法和样例：
例句
- In simple tension experiment, the stress-strain relationship submits Hook's law within the limit of proportionality.
摘要单向拉伸试验中，在比例极限内，应力应变关系服从胡克定律。 - As annotation, an equation of the relation between neutrons and protons in nuclei and its periodical solutions as well as atomic number limit are discussed.
作为诠释，探讨了原子核内中子与质子的趋势关系方程，以及其周期解和原子序数极限值。
