A value related to the hiding power of a coating. The ratio of reflectance of the coating over black and white backgrounds at equal film thickness.

同涂层遮盖力相关的一个数值，以相同的涂层的厚度在黑色和白色背景下涂层反射系数的比值。

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For the first time, the effect of light source with different power on the reflectance is studied in experiment, the results is significant of the design and the measurement of tissue parameters.

首次从实验上研究了光源功率对漫反射分布的影响，研究结果对于测量系统设计和组织参数测量具有重要意义。

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Previously, we have presented pilot studies that assess the diagnostic power of auto-fluorescence and diffuse reflectance spectroscopy.

之前的预试验已经评估了自发荧光和漫反射光谱学的诊断价值。

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