The parameters are constants, although their values may differ from patient to patient and in the same patient under different conditions.

这些参数均为常数，但参数值也会因人而异，而且同一病人在不同情况下亦会有所不同。

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Table 3 Calculated values of geometrical parameters for benzo-crown ethers with different functional groups and their complexes with Li+ (298.15 K, gas phase)

表3 具有不同官能团的苯并冠醚及相应的锂-冠醚配合物的结构参数计算值（298.15 K， 气相）

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Various parameters insisting of spectrum of source, imaging distance and spatial coherence can influence visibility of fringes. Their referential values were presented in this paper.

条纹对比度受光源谱分布、成像距离、光源空间相干性这些因素的影响，对参数的研究给出了它们的参考值。

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