One forth is a proper fraction.

四分之一是一个真分数。

This article defined constant in numerator of simplest fraction by the way of resolve proper fraction to simplest fraction.

本文用分解真分式为最简分式的分解基本定理来确定最简分式分子里的常数。

The calculation of every fractions in Separating fraction and integral of rational proper fraction is reduced by the method.

从而大大简化了分式分项的计算，简化了有理真分式的积分运算。

The degree of difficulty in algorithms is gradually enhanced in proper order from dynamic programming to continue fraction algorithm.

算法的实现难易程度由动态规划算法到多项式算法依次提高。

Element approach is employed, and the amount of each component holdup is calculated element by element with a proper void fraction model.

将换热器分解成若干微元，选用恰当的空泡数学模型，计算各组分在换热器中的滞留量。