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
- elliptic cylindrical surface
- elliptic delta-function
- elliptic differential equation
- elliptic differential operator
- elliptic discriminant
- elliptic domain
- elliptic element
- elliptic equation
- elliptic exponential function
- elliptic fixed point
- elliptic flow
- elliptic form
- elliptic function
- elliptic functional
- elliptic function field
- elliptic function of the first kind
- elliptic function of the second kind
- elliptic function of the third kind
- elliptic function theorem
- elliptic genus
- elliptic geometry
- elliptic group
- elliptic group modulo p
- elliptic harmonic space
- elliptic helicoid