目的研究激光诱发荧光（LIF）技术在大肠癌早期诊断中的作用，并对LIF光谱产生的机制进行初步的探讨。
Objective To study the effect of laser induced fluorescence(LIF) on the early diagnosis of colorectal cancer and to analyze the mechanism of the production of LIF spectrum.
介绍了激光-荧光法早期肺癌诊断和定位技术，并提出一种与计算机图像处理技术结合的新方法。
This paper introduces briefly the technique of laser-induced fluorescence for early lung cancer localization, and presents a new method combined with computer image processing technique.
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