This dissertation analyzes the specialty of data migration, and proposes a dynamic data migrating algorithm. The experiment result shows that this algorithm is effective.
分析了它的数据迁移特点，提出了一种动态数据迁移算法，实验结果表明该算法是有效的。
Objective To study the mechanism of tooth mesial migration with animal experiment.
目的通过动物实验对牙齿近中移动的发生机制进行探讨。
Based on simulated experiment research, this paper discussed the migration rules and transformation mechanism of nitrobenzene in aquifer under the condition of groundwater recharged by river.
本文通过室内模拟实验，探讨在河流入渗补给地下水的条件下，硝基苯在含水层中的迁移规律及其转化机理。
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