arithmetics怎么读？

Simulation results show that the improved arithmetics are both better.仿真结果显示,改进后的方案均比以前有较好的性能.We improved arithmetics of Mercator mapping transform and inverse transform.改进了墨卡托变换与逆变换算法.Then , it researches the Methods : ...

n.算术( arithmetic的名词复数 )，计算，算术运算，四则运算...