Suggests a distributed operator logic based on evidence, which follows from the concept of relation number in the SPA, and discuss its properties.
根据SPA中联系数的概念，提出了一个基于证据的分布算子逻辑，并讨论了其性质。
Based on the concept of relation and sub-relation, this paper investigates the inherent meaning of traditional set operations for the nested relational data model.
本文提出的一个嵌套关系模型支持文本存储和文本检索操作，其中特征文件索引为文本检索提供了技术支持。
The concept of open source is now generally well understood in relation to software, but can it be extended in a clear-cut manner to hardware too?
大家现在都很了解软件开源思想，但是它也能清晰地扩展到硬件上吗？
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