The project has a important significance for exploring use of ce and tb and theory of luminescence , and for study in new - style optical function material.
该项研究对于研制新型光学功能材料，开辟铈和铽的新用途以及认识铈、铽在铝酸锶基质中的发光原理具有重要意义。
The observed changeof each signal as Cassini moved behind the rings provided a profile ofthe distribution of ring material as a function of distance fromSaturn, or an optical depth profile.
卡西尼号远离土星环而观察到的每个信号的变化提供了一份环材料分布的侧写。 这是一个距土星距离的函数，或是一个光学深度剖面。
This paper reviewed the synthesis, function and current condition of second- order nonlinear optical polyimide material in recent years, and then analyzed its application prospect.
综述了近年来二阶非线性光学聚酰亚胺材料的合成、性能和现状，并对其应用前景进行了展望。
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