手术研究 meaning in Chinese

operation research
operations research

Study on three - dimensional virtual surgical craniofacial surgery simulation
计算机成像技术模拟颅面三维手术研究
Professor hobbs is a pioneer in the field of liver surgery . his innovative research in liver surgery and transplantation started in the 1960s and has since brought forth many advances in the field
Kennethhobbs教授为肝脏外科的先驱，早于六十年代经已展开其开创性的肝脏移植手术研究，在医学界屡创突破。