在世界上各种自然历史博物馆中,巨大的古生物化石常常让人们惊叹不已,它们会把参观者带到遥远的史前时代,引发人们对古生物学的无穷兴趣。而古生物学家们案头上的化石则是古生物学家们进行科学研究的主要对象,发表学术论文的主要依据,化石是古生物学各种研究的物质基础。然而,化石并不是从野外挖掘回来就可以进行研究或者展览,它们必须经过一定的处理才能呈现出我们在博物馆或者科学家书桌上看 Among the various natural history museums in the world, huge paleontological fossils are often marvelous. They bring visitors to distant prehistoric times and arouse immense interest in paleontology. Paleontologists ’desk fossils, on the other hand, are the main objects of paleontologists’ scientific research and the main basis for their dissertations. Fossils are the material basis for various paleontological studies. However, fossils do not go back to the field for research or exhibitions, they have to be processed to show us on the desk of a museum or scientist