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coprolites相关的网络例句

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与 coprolites 相关的网络例句 [注:此内容来源于网络,仅供参考]

The bird droppings resources of the west sand islands is abundant, particularly natural sanctuary of white bird of 鲣 in the east island, is the thousands and white stomach 鲣 bird on the tree, tree under is very thick bird droppings and the bird coprolites, the organic fatty content of bird droppings is very high, is a fatty raw material of natural

西沙群岛的鸟粪资源丰富,尤其在东岛白鲣鸟自然保护区,树上是成千上万的白腹鲣鸟,树下是厚厚的鸟粪和鸟粪化石,鸟粪有机肥含量非常高,是天然磷肥的原料。

That is because the Oregonian coprolites contain DNA that has characteristics which match that of living Amerindians.

证据是,从俄勒冈州的粪化石中提取的DNA与现代美洲印第安人是匹配的。

Dinosaurs probably contributed minimally to this, Stromberg says: they mainly had the wrong kind of teeth for ripping up grass, and the titanosaur coprolites indicate that grass was only a small part of their diet.

恐龙对此的贡献可能微乎其微,斯翠姆伯格说:主要是它们长错了牙齿,很难咬断青草,雷龙粪化石就表明青草只是它们饮食的一小部分。

And it just goes to show how useful coprolites can be.

这正显示粪化石有多么大的用途。

These coprolites came from a complex of caves in Oregon.

这些粪化石来自俄勒冈州一个复杂的山洞里。

A few sceptics have suggested that the coprolites are actually dog faeces, and the DNA is subsequent contamination.

一些对此持怀疑态度的人提出另外一种解释,他们认为这些粪化石实际上是狗的粪便,那些DNA是后来沾染上去的。

The team had examined 14 coprolites, as fossil faeces are termed by polite scientists.

在这之前,他们对14份粪化石(即文雅的科学家们称之为化石糟粕的东东)进行了研究。

This suggests in turn that the people who produced those coprolites were not related to Kennewick man, a skeleton found some years ago in neighbouring Washington State.

这也反过来证明了产生这些粪化石的人与肯纳威克人没有关系。

Jenkins, an archaeologist at the University of Oregon found these human coprolites, or fossil feces, in Paisley Caves in the Cascade Range of Oregon.

Jenkins带领了,俄勒冈的大学的一位考古学家发现了这些人的coprolites或者化石排汇物,在俄勒冈的小瀑布范围的佩兹利洞。

When a pile of poop discovered in an Oregon cave in 2002 was retested this year thanks to new techniques in DNA extraction, excited researchers determined that the ancient feces — officially called coprolites in polite archaeological terms — were human and were more than 14,000 years old, marking the earliest evidence of human presence in North America by almost two thousand years. Other bits and pieces of cultural material have turned up in the Americas and called the date into question, but the coprolites are the oldest of definite human ... extraction.

今年科学家对2002年在俄勒冈州一个洞穴发现的一堆粪便使用DNA提取新方法再次进行检查,他们惊喜地发现这堆粪便,也称粪便化石是人类的粪便,距今1.4万年之久,这标志着人类在北美存在的最早证据提前了两千年。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

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