Your mortgage payment is constant through time but the fraction of it that goes to paying off principal versus interest changes through time and it just changes as dictated by this formula.
抵押贷款每月还款是固定的,但是其中本金和利息的比例关系,会随时间而改变,这是由这个公式所决定的
2
For a given media, and at a constant total pressure and temperature, the partial pressure of oxygen is proportional to oxygen mole fraction.
对一个给定的媒介，在恒定的总压和温度下，局部压力与氧的克分子数成比例。
3
This article defined constant in numerator of simplest fraction by the way of resolve proper fraction to simplest fraction.