在水面上，折光的周日变化可能是很小的。
Over water the diurnal change in refraction is likely to be small.
弹性纤维通常是单独的，折光的，分枝的及吻合的纤维。
Elastic fibers usually occur as individual, refractile, branching, and anastomosing fibers.
借助动态光散射测试、折光指数变化及DSC热分析技术研究微凝胶的性能。
Dynamic light scattering, refractive index and DSC techniques were used to study the properties.
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