serological technique

例句：

1. 1. The researcher used the serological technique to detect the presence of antibodies in the patient's blood.
   研究人员使用血清学技术检测患者血液中的抗体。
2. 2.The serological technique was used to identify the source of the virus.
   血清学技术被用来识别病毒的来源。
3. 3. The development of new serological techniques has greatly improved our ability to diagnose diseases.
   新的血清学技术的发展极大地提高了我们诊断疾病的能力。