This module is the core of system, its functions include data acquisition, dynamic data exchange, data operation, data statistics, data storage, reasonability check and data delete etc.

该模块是系统数据分析的核心部分，主要完成数据采集和动态数据交换以及数据运算、统计、存储、合理性检查、删除等功能。

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Nonloss storage experiments were performed to a cryogenic vessel filled with liquid nitrogen, and a multivariate linearity regression analysis and check to the experimental data was also done.

对一低温容器利用液氮为介质进行了多次无损贮存实验，利用多元线性回归方法对实验数据进行分析和检验。

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Data possession checking (DPC) is used in networked archival storage to check in real time if the remote server holds a file intact before the actual access to the file occurs.

在网络归档存储中，数据持有性检查(DPC)用来在实际文件访问发生之前实时地检测远端服务器是否仍然完好地持有文件。

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