equationn.相等；均衡；方程式；等式equation of movement运动方程equation of payments平均分期付款equation of exchange交易方程式,费雪氏交换方程式equational reduction均等减数分裂Equation of a degree一元一次方程equations of network网络方程式equational exception异例均等个体equations in impulse冲量方程Equation of kinetics运动学方程equational separation均等分离

1. The essay tries to do some comparative studies towards several of alterative methods used in Non-lined Equation Root and its realization.
   本文对几种迭代法求取非线性方程根的算法及实现作了对比介绍。
2. By means of constructional iterative equation, this paper presents a way to give out the existence and singularity of a type of equational root with gradual approach method.
   摘要本文通过构造迭代函数，利用逐次逼近的方法给出了一类方程根的存在性与唯一性的判断的一种解决方案。