2、

From the radiative transfer equation, the analytic results of diffuse reflectance on tissue surface are deduced by diffusion approximation for both the time dependent and the continuous wave source under the condition that a narrow collimated light beam is normally incident upon the surface of tissue.

从光的传输理论出发,利用漫射近似方程,推导出当无限细脉冲光及连续光束垂直入射到生物组织表面时,生物组织表面漫反射光随空间及时间变化的解析表达式。

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3、

Third, some differences exist between soil genesic classification and result of cluster analysis, because geochemical characteristics of surface soils can not completely represent the foundation applying to soil genesic classification, that is, condition and process of soil-forming, and soil property.

浅层土壤的地球化学特征不可能完整地体现成土条件、成土过程和土壤属性这三个发生分类依据,因此,聚类分析结果与发生类型之间存在一定的差异。

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4、

When all yarns of preform in jamming condition, The biggest yarn volume fraction of right face model is equal to that of inner cell of 45 ° model, but not equal to that of surface cell and coner cell.

在紧密结构状态下,1×1编织预型件正模型的纱线体积分数和45°模型的内部单胞的纱线体积分相同,但与表面单胞和角单胞的纱线体积分数不同。

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