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We also describe the basic principle of white dwarf cosmochronology and its application in defining the age of the Galactic disk, globular clusters, open clusters and Galactic halo.

介绍了白矮星学研究的基本原理在银盘、球状星、疏散星银晕年龄确定方面的应用现状。

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Nehemiah, Nehemias, Nehru, nehrung, nehu, NEI, NEIC, Neididae, neigeuse, neigh,

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3G, 401(K), a,

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CNN 10 英语 20213合集

Not a lot is known about it except that it was conquered in the year 316 B.C.

除了知道楚国是在公元前316结束的,人们对的了解并不多。

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TED-Ed(视频版)

The rat rose with the sun to get an early start, but on the way to the river, he met the horse, the tiger, and the ox.

就根据牠们抵达的顺序 作为农历上的为此起了个大早,不过,当牠到达河边时。

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neighbour, neighbourhood, neighbouring, neighbourless, neighbourly, neighbourship, Neil, Neil Armstrong, neiliaosu, Neillia,

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3G, 401(K), a,
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