principle of least time

In view of the passengers’ traveling psychology, an optimal route algorithm of the city public transportation, which takes the least transfer and the least time consuming as constraint conditions, was designed.

本文充分考虑了乘客出行心理后,设计了以换乘次数最少和出行耗时最少作为约束目标的公交出行最优路径算法。

Then,Fermat minimum time principle is used to deduce the compensation formula by considering the effect of both hole diameter and lithology.

设计了一种砂泥岩剖面的变井径、变岩性模型,分析了补偿声波测井产生的滑行波传播路径,按照费马时间最小原理推导出了同时考虑井径变化和岩性变化的声波时差补偿计算公式。