the President's epoch-making trip to China; epoch-making new technologies; an epoch-making architectural work.
总统划时代的中国之行；开创
纪元的科技；划时代的建筑工程
名的历史时代或时期。
的历史时期。
不限，既可指任何一个历史时期，又可指个或自然界的一个发展阶段。 类;类;
质]中]冰川期；冰河时期the President's epoch-making trip to China; epoch-making new technologies; an epoch-making architectural work.
总统划时代的中国之行；开创纪元的科技；划时代的建筑工程
We're at the end of the historical epoch, and at the dawn of another.
我们正处在一个历史时代的末期, 另一个历史时代的开端。
The chemical match was not yet in existence;at that epoch the Fumade steel represented progress.
当时还没有化学火柴，代表那个时代的进步的是菲玛德打火机。
Even if in the Tang era of the feudal epoch, the Emperor Tangtaizong had a expostulation liegeman who named Weizheng beside him.He would not make the Emperor Tangtaizong in the shade.
即便是在封建时代的唐朝，唐太宗身边还有一个谏臣魏征，魏征的存在不会使唐明皇失色，正是他们和所有那个时代的大家构成了盛唐之音的辉煌。
20
纪开始于对称性研究,宇称不守恒开创了研究对称破缺的纪元。
20 century began from the research of symmetry,the discovery of nonconservation of parity starts epoch of research of breaking symmetry.
In the northwest of China, auriferous altered cataclasite, adular-sericite quartz vein and quartz reef types are present, and metallogenetic epoch is mainly Hercynian period.
西北部区主要有蚀变碎裂岩型、冰长石-绢云母石英脉型和石英脉型等，成矿时代主要为海西期；
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