工学 对地观测系统 释 Earth Observing System; EOS 对地观测系统 为在航天领域实施全球变化研究计划，美国与欧洲空间局（ESA）、加拿大、日本合作，于20世纪80年代中期提出的一项计划。 工学 环境与灾害监测卫星 释 Earth Observation System；EOS “地球观测系统”计划 美国国家航空航天局制订的大型地球观测计划。
计算机应用 基于网络的信息服务 释文 electronic ordering system, EOS 电子订货系统
- closed ball
- closed base
- closed basin
- closed boundary
- closed-box model
- closed braid
- closed broken line
- closed card sorting
- closed category
- closed cell
- closed chain
- closed channel
- closed circuit hydraulic system
- closed circular DNA
- closed circulating water system
- closed class
- closed combinatorial surface
- closed communication structure
- closed complex
- closed complex plane
- closed composition
- closed cone
- closed contour
- closed convex function
- closed convex functional