Oftentimes, these fossils are not made available to science at all.
科学界常常压根接触不到这些化石。
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Dating techniques Methods: Used to determine the age of rocks, fossils, or archaeological remains.
测年技术: 一种确定岩石 、 化石以及考古学遗迹年龄的方法.
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The fossils appear to be an early form of seaweed washed up on a beach.
这些化石看上去是被海水冲上岸的一种早期的水藻。
《柯林斯高阶英汉双解学习词典》
Or maybe you'll be an anthropologist who discovers exciting new fossils Pleistocene Epoch.
或者也许你会发现更新时代一块令人激动的新化石,成为一名人类学家.
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I'd been collecting seashells and fossils, hiking and bird-watching since I could remember.
打我刚记事时起,我就开始收集海贝壳和化石, 热衷于徒步旅行及观察野生鸟类.
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摘要最近十多年来,我国在热河生物群各门类生物研究方面取得了一系列重要的发现和成果.
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Most of the other fossils come from rhynchosaurs ( parrot-beaked reptiles ).
其他大部分化石来自剪嘴龙 ( 嘴像鹦鹉的爬行动物 ).
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Missing until recently were fossils clearly intermediate, or transitional, between land cetaceans.
近期发现的化石已经可以很清晰地帮助人们了解这个问题, 以及他们之间的过渡关系.
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Other fossils found in the same cave in June 2003 are being studied.
2003年6月,人们还在这个山洞里发现了另外一些化石.目前这些化石正在研究当中.
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Different fossils have been preserved in different ways-some as moulds or casts.
不同类别的化石是以不同的方式保存下来的 ― ―有的如同模型或模压品.
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You can visit the site of dinosaur eggs fossils at Mt . Qinglong in Yunxian County.
你可以去参观郧县青龙山恐龙蛋化石.
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Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.
海绿石 、 碳酸盐骨骸碎屑 、 海相化石和胶磷矿普遍出现.
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