Photopolymer is a new material for holographic storage; it has a number of compelling properties such as high diffraction efficiency, relatively simple fabrication process, and long persistence.

光致聚合物是一种用于激光全息存储的新型材料，它具有衍射效率高、制作工艺相对简单、易于保存等优点。

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The nail polish of this brand, having long persistence and bright color, is many girls' favorite.

这个牌子的蔻丹在指甲上保持的时间较久，颜色也鲜亮，许多小姑娘都很喜欢。

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In short, the act of savings helps create and reinforce persistence towards a long term goal such as college.

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It is a long-term undertaking that will continue to demand and receive our focused attention and persistence.

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The learning can occur if you stick with it long enough, but one of the key personality traits that one must likely have is that of persistence.

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