The history of Earth is divided into four eons —starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。

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The history of Earth is divided into four eons - starting with the earliest, these are the Hadean, Archean, Proterozoic, and Phanerozoic.

地球的历史可分为四个时期——依次经历冥古代、太古代、元古代和显生宙。

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Based on the investigaton and research, this paper makes detail analysis and discussion on the history of earth fortress, the pattern, the relationship of earth fortress with earth building n fujian.

文章阐述了福建土堡的历史、形态特征，与福建土楼作了比较，并分析了几个土堡实例。

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It uses objects from the museum's collection to show how Darwin helped us understand the history of life on Earth.

VOA: special.2009.12.01

"This valley of history has seen mankind complete its first evolutionary steps into the universe: leaving the planet Earth and going forward into the universe.

VOA: special.2010.04.28

In the early eighteen hundreds in England, Mary Anning became one of the first women recognized for her discoveries about the ancient history of the Earth.

VOA: special.2009.05.13

We inherited the greatest nation in the history of the Earth.

NPR: Palin Takes Aim At Obama, Revs Up Republicans

In the half century since Cloud and Barghoorn began scouring the globe for similar sites, the history of life on Earth has been traced back nearly three and a half billion years.

NEWYORKER: The Martian Chroniclers

The team also hopes to take samples of mud from the bottom of the lake, to better understand the geological history of the West Antarctic Ice Sheet and Earth's past climate.

MSN: Mission to drill into buried Antarctic lake hits a snag