research and develoopment personnel

例句：

1. 1.The company's research and development personnel are responsible for designing new products.
   该公司的研究和发展人员负责设计新产品。
2. 2. The team of research and development personnel is working tirelessly to solve the problem.
   这个研究和发展团队正在不懈地努力解决这个问题。
3. 3. The success of the project depends on the quality of the research and development personnel.
   该项目的成功取决于研究和发展人员的素质。