在公元前3000年到公元前1000年,即青铜器被广泛使用的这一时期,通常被称为青铜时代。
The period from 3000 to 1000 B.C.E., when the use of bronze became widespread, is normally referred to as the Bronze Age.
从1960年到1990年,在儿童生存方面取得了令人欣慰的进步。
From 1960 to 1990 there was wonderful progress in child survival.
首先,从2006年到2010年,太阳能商品的全球出口市场增长了将近四倍。
First, the global export market for these solar goods nearly quadrupled from 2006 to 2010.
De Broglie, 1924, in his PhD thesis says if an electron has wavelike properties this would be its wavelength.
德布罗意,1924年在他的博士毕业论文中说到,如果一个电子有类似波的性质,这就是它的波长。
the United States announced a target to reduce its emissions by 17% below 2005 levels in 2020.
美国宣布了到2020年实现在2005年的水平基础上减排17%的目标。
It's the sage and serious doctrine of virginity that concludes the speech. It's clear that something's happened between 1634 and 1637.
它是总结演说,有关童贞的智慧而严肃的教义,很明显,在1634年到1637年间发生过什么。
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