统计与科学数据库系统中的元数据管理是一项十分复杂的任务。
It is a difficult task to manage the meta-data in statistical and scientific database systems.
HSOC数据管理子系统，是HXMT的科学运行中心的基础支撑部分。
HSOC. which is the data management sub-system, is the fundamental infrastructure of HXMT's scientific administration center.
HSOC数据管理子系统，是HXMT的科学运行中心的基础支撑部分。
HSOC. which is the data management sub-system, is the fundamental infrastructure of HXMT's scientific administration center.
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