CEO – Chief Executive Officer 首席执行官。HRD – Humen Resource Director 人力资源总监。OD – Operations Director 运营总监。MD – Marketing Director 市场总监。PM – Production Manager 产品经理。CM – Customer Manager 客户经理。RD – Research & Develop 研发工程师。BE – Back End 后端工程师。FE – Front End 前端工程师。QA – Quality Assurance 测试工程师。DBA – Database Administrator 数据库管理员。