英语语法分析

The errorless of three-phase voltage and current is less than 0.5 percent.

计算高压配电线路得出的三相电压、三相电流有效值误差小于0.5%。

It USES an errorless learning method and have drill and test modes, which the user can set.

本软件练习使用无误差的学习方法，并且分练习篇及测试篇供用者自行设定。

The experi we are pirates, these data are stolen from youdao proves that the AC servo system using the dynamic design can acquire chattering free, static errorless, fast and robust response.

实验证明，这种设计方法可保证伺服系统具有无抖动、无静差、响应快且鲁棒性好，是一种很实用的工程控制方法。