航行记录 meaning in English

navigational record

By comparing present five popular fieldbus and combining with ship ' s special environment requirements , the article proposed development project of vdr system , also characteristics and protocol of can ( control area network ) fieldbus were expounded
对当今流行的5种现场总线进行了对比，结合船舶的特殊环境提出采用can总线进行船载航行记录仪开发的思路，并阐述can总线的特点和协议规范。