Close to reality, close daily life, and close to mass are the principle of publicity work, which also set the new rules for publicity.

贴近实际，贴近生活，贴近群众，是新闻宣传必须坚持的原则，“三贴近”为新闻工作树立了新的标准。

youdao

This paper discussed the structure and principle of EPS system, established the state space equation of EPS, designed PID close loop controller, and set the parameters.

阐述了EPS系统的结构原理，建立了EPS状态空间方程，设计了PID闭环控制器，并对参数进行了整定。

youdao