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The first of these glacial periods is often called the Huronian glaciation because it is well exposed in rocks just north of Lake Huron in southern Canada.

期称为「休伦期」,因其遗迹加拿大南部休伦湖北方的清晰可见。

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经济学人-科技

These were, at their maxima, among the most extensive glaciations in the Earth's history.

在顶峰时期,它们是地球史上最大规模的冰川时期。

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阿尔伯塔大学-恐龙古生

Erosion did not stop with the end of glaciation.

侵蚀并没有随着冰川作的结束而停止。

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PBS地球-动趣闻

Then a period of glaciation Locked up lots of Earth's water, which dramatically lowered sea levels.

然后是一段冰川作,锁住了地球上的大量水,这大大降低了海平面。

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科拉诺斯动画科普

Around 34 million years ago, the Eocene-Oligocene Transition  marked the first major period of global cooling and glaciation.

大约 3400 万年前,始新世-渐新世志着全球变冷和冰川作的第一个主要时期。

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PBS古生

For one thing, 2.6 million years ago marked the beginning of the Pleistocene, when cooler temperatures and long periods of glaciation began to set in -– also known as the Ice Ages.

首先,260万年前志着更新世的开始,当时气温变凉,长时间的冰川期开始——也就是所谓的冰河时代。

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PBS地球-动趣闻

The end of the Devonian shows signs of a rapid swing from greenhouse to a sudden glaciation and then back again, a see-sawing of climate that could be responsible for many of the extinctions.

泥盆纪的末期显示出从温室到突然的冰川作快速摆动的迹象, 然后又回来了,气候的拉锯可能是许多种灭绝的原因。

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亨利·亚当斯的教育(中)

To him the two or three labored guesses that Sir Charles suggested or borrowed to explain glaciation were proof of nothing, and were quite unsolid as support for so immense a superstructure as geological uniformity.

对他来说,查尔斯爵士建议或借来解释冰川作的两三个费力的猜测是毫无根据的,而且作为对地质均匀性如此巨大的上层建筑的支持是相当不可靠的。

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夏日走山间

Even below the waters of the lake the rock in some places is still grooved and polished; the lapping of the waves and their disintegrating action have not as yet obliterated even the superficial marks of glaciation.

即使在湖水以下,一些地方的岩石仍然有凹槽和抛光;海浪的拍打和它们的分解作甚至还没有消除冰川作的表面痕迹。

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202329

Evidence for ancient glaciations in the form of distinctive scrape marks left by glaciers were found in South America, Africa, India, and Australia, all regions near the equator with current climates far too warm to sustain a glacier.

在南美洲、非洲、印度和澳大利亚发现了古代冰川形成的证据,这些证据以冰川留下的独特刮痕的形式出现,这些地区都位于赤道附近,但目前的气候太温暖,无法维持冰川的存在。

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