eonsn.世，纪，代，千万年（名词eon的复数形式）eonn.千万年；永久=aeon.eoneeption of childhood童年观eonstruction management施工管理eonstruction monitoring施工监控eontemperary literature当代文学eonfiguration management配置管理eonverter-CCM matching炉-机匹配eonstitutionalism dilemma宪政悖谬eonjugate gradient method共轭梯度方法eontent monitor indieator内容监管标记eonstrtution eost control施工成本管理