十多年专业设计经验的研发人员的翻译：More than 10 years of professional experience in the design of research and development personnel 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

10 years of professional experience in the design of R & D personnel

More than 10 years of professional experience in the design of research and development personnel

More than ten year specialized design experience research and development personnel

More than 10 years of professional experience in the design of its R&D staff

More than 10 years of professional experience in the design of research and development personnel