epoch 六级GRE考研雅思

1.the President's epoch-making trip to China; epoch-making new technologies; an epoch-making architectural work.

总统划时的中国之行；开创新纪元的新科技；划时的建筑工程

2.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的末期, 另一个历史时的开端。

3.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，表那个时的进步的是菲玛德打火机。

4.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的大家构成了盛唐之音的辉煌。

5.20世纪开始于对称性研究,宇称不守恒开创了研究对称破缺的新纪元。

20 century began from the research of symmetry,the discovery of nonconservation of parity starts epoch of research of breaking symmetry.

6.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.

西北部地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，成矿时主要为海西期；