研究人员说，一般而言，亚马逊肥沃的冲积平原是古代文明的繁荣之地，但据说更为宽阔的高地却人迹罕至。
Ingeneral, the Amazon's fertile floodplains have been popular sites forancient civilizations, while the sparser uplands have been thought tobe largely devoid of people, the researchers say.
他的研究与许多新兴研究一起，记录了气候变化对古代文明盛衰的影响。
His study joins a burgeoning collection of research documenting climate's role in the rise and fall of ancient civilizations.
陶器刻划符号的研究涉及到我国古代文明、文字起源等问题，因此对它进行研究具有重要意义。
The research of pottery carved symbols mentions the origins of civilization in ancient China and the text, etc., so it is important to study it.
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