According to the feature of mass discrete data, an efficient retrieval method is stated by referring to the philosophy of distributive database, parallel computing, grid computing and multi-threading.

本文针对海量离散数据的特点，借鉴分布式数据库、并行运算、网格计算及多线程的思想，提出了一套海量离散数据快速检索方法。

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An effective multi-grid method fit for the adaptive finite element analysis for generalized eigenvalue problems is proposed.

提出了一种适合于自适应有限元分析中求解广义特征值问题的多重网格方法。

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The profile of a two-dimensional axisymmetric inhomogeneous medium is reconstructed by using the distorted Born iterative method and multi-grid technique.

将多重网格技术与变形玻恩迭代法相结合，对轴对称二维非均匀介质分布进行了反演。

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