The tradition dated from the time when his grandfather was young.
这一传统是从他祖父年轻时开始的。
The archaeological objects are dated from the Stone Age to the medieval period.
这些考古物件的年代是从石器时代至中世纪时期。
An important Greek festival of pallas athene the panathenaea was dated from the days of king Theseus.
一个庆祝雅典娜女神的希腊重要节日,泛雅典娜节,要追溯到特修斯国王时期。
So, I said I'd tell you a little bit more about where this Bohr radius came from, and it came from a model of the atom that pre-dated quantum mechanics, and Neils Bohr is who came up with the idea of the Bohr radius, and here is hanging out with Einstein, he had pretty good company that he kept.
我要告诉你们,波尔半径是从哪里来的,它起源于前量子力学时代的,原子模型,尼尔斯,玻尔提出了,波尔半径的概念,这是他和爱因斯坦在一起,他们是好朋友,当我们讨论这个原子模型时你们要记住的是,在1911年。
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