赫琴收到的样本来自世界各地的核设施，他对其进行检测以寻找诸如高浓缩铀等非法材料的线索。
Hutcheon receives samples from nuclear facilities throughout the world.He then tests them for evidence of illegal materials like highly enriched uranium.
在这些地点也提取了水和重矿物质浓缩物的样本。
Samples of water and heavy mineral concentrates are also taken at the same sites.
该策略利用粗糙集理论对数据样本进行数据浓缩，提取初步的诊断规则。
This tactics carry out data compaction on data samples and extract initial diagnostic rule by using rough set theory.
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