design and study

• 设计与研究

design and study的用法和样例：

例句

1. She is engaged in the design and research work of ultralight aircraft aerodynamics.
   从事轻型飞行器气动设计与研究工作。
2. It is worth to develop and study the physiotherapy again.
   结论物理疗法治疗老年病效果良好，值得进一步开展与研究。