epoch
epoch
[ˈiːpɒk, ˈɛpɒk]
noun
[ˈiːpɒk, ˈɛpɒk]
noun
- a period of time in history or a person's life, typically one marked by notable events or particular characteristics
时期；时代
the Victorian epoch.
维多利亚时代。
■the beginning of a distinctive period in the history of someone or something
新纪元，新时期
■(Geology)a division of time that is a subdivision of a period and is itself subdivided into ages, corresponding to a series in chronostratigraphy
(地质)世
the Pliocene epoch.
上新世。
■(Astronomy)an arbitrarily fixed date relative to which planetary or stellar measurements are expressed
(天文)历元
- early 17th cent. (in the Latin form epocha; originally in the general sense of a date from which succeeding years are numbered): from modern Latin epocha, from Greek epokhē 'stoppage, fixed point of time', from epekhein 'stop, take up a position', from epi 'upon, near to' + ekhein 'stay, be in a certain state'
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- acoustic adj.听觉的,声学的,原声的,音响的
- acoustical adj.听觉的，声学的
- acoustically adv.听觉上，声学上
- acoustician n.声学家
- acousticon n.助听器
- acoustics n.声学,（传声系统的）音响效果,声音的( acoustic的名词复数 ),听觉的,原声的,自然声的
- acoustoelectric adj.声电学的,电声学的,声电的,电声的
- acoustoelectronics n.微声电子学
- acoustooptics n.声光学
- acpi abbr.advanced configuration and power interface 高级配置与电源接口,advanced configuration and power initiative 高级配置与电源启动（软件标准）,automatic cable pair identification 电缆线对自动识别,Aviation Crime Prevention Institute 航空犯罪预防组织
- acqierement n.学得，学识，才艺
- acquaalta n.<意>高潮（尤指不时淹没威尼斯历史上有名的中心区的洪水）
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