外激素 meaning in English

ectocrine
exohormone
pheromone

To obtain the better total solution , some modifications to acoas were adopted , in which , more decision points were put in for the binary - coded method and only the best ant was allowed to provide a feedback mechanism by updating the pheromone trails which were limited to an interval between some maximum and minimum possible values
为了更好地得到全局最优解，对算法进行了改进，加入了更多的决策点，实现蚁群算法的二进制编码方法，并采用单只最优蚂蚁更新路径上的外激素值、外激素值限定在一定范围内等改进方法。