In order to develop a new technique diagnosing gastric precancer, we constructed a simple spectral measuring equipment to obtain the diffuse reflectance spectra from the gastric tissue.

• 胃癌正严重地威胁人类的健康,为了开发一种可以诊断早期胃癌的新型光学检测技术,建立了一套简便的组织体漫反射光谱检测装置。