理学 英国国家海洋研究中心 释 National Oceanography Centre; NOC 英国国家海洋研究中心 英国最重要的综合性海洋研究机构，主要致力于海岸带到深海大洋的综合性海洋科学研究与技术研发，为英国海洋科学与技术发展提供服务。
网络与数据通信 协议体系与组成结构 释文 network operations center, NOC 网络运行中心
- ordered sample cluster analysis
- ordered sample clustering
- ordered semigroup
- ordered sequence
- ordered set
- ordered set with gaps
- ordered set without gaps
- ordered simplex
- ordered simplicial complex
- ordered singular boundary
- ordered singular cycle
- ordered skew field
- ordered space
- ordered statistics
- ordered structure
- ordered subclass
- ordered subset
- ordered sum
- ordered topological space
- ordered tree
- ordered triplet
- ordered type
- ordered vector space
- ordered weighted averaging(OWA) method
- order epimorphism