| 单词 | microfossil |
| 释义 | microfossil noun[C] uk/ˈmaɪ.krəʊˌfɒs.əl/us/ˈmaɪ.kroʊˌfɑː.səl/afossilthat is toosmalltoseewithout usingspecialequipment 微化石，微体化石 STEVE GSCHMEISSNER/SCIENCE PHOTO LIBRARY/GettyImages Palaeontology & fossils
microfossil| American Dictionarymicrofossil noun[C] us/ˈmɑɪ·kroʊˌfɑs·əl/earth science afossilthat is toosmalltoseewithout usingspecialequipment Examplesofmicrofossilmicrofossil Unfortunately the title of the volume gives the impression that palynomorphs, which have organic walls, are not microfossils. From theCambridge English Corpus The discussion on chemical procedures deals almost exclusively with the extraction of microfossils from different matrices. From theCambridge English Corpus An integrated, multidisciplinary approach to this study is essential for the verification of any artefact purported as amicrofossil. From theCambridge English Corpus However, the interpretation of ancient microfossils found even in terrestrial sediments has been hotly debated for years. From theCambridge English Corpus While many of the larger microfossils herein are similar in size to extant eukaryotic micro-algae, they cannot be regarded as unequivocally eukaryotic. From theCambridge English Corpus Mineralized microfossils have typical dimensions significantly smaller than the resolution of any spacecraft instrument. From theCambridge English Corpus Advantages of doubly polished thin sections for the study of microfossils in volcanic rock. From theCambridge English Corpus After having read the book, nobody can doubt that microfossils should become a standard tool in future environmental studies. From theCambridge English Corpus In petrographic thin sections cut perpendicular to the bedding, the microfossils appear only as very thin, dark streaks. From theCambridge English Corpus However, it is still unclear how these processes affect the internal microstructure of such remains, or even how to recognize bona fide preserved microfossils. From theCambridge English Corpus This allowed observation of opaque (carbonized) microfossils, and also assessment of the fossil nature of the isolated microstructures. From theCambridge English Corpus The authors have succeeded in this as the book presents numerous case studies, which clearly demonstrate the unique applicability of these microfossils. From theCambridge English Corpus The growing importance of microfossils for biosteering horizontal wells is not mentioned; however, this contribution is helpful as a teaching aid. From theCambridge English Corpus Not all lakes possess sediment records that lend themselves to isotopic study using oxygen isotope ratios in carbonate microfossils. From theCambridge English Corpus The details of the physical characteristics will have relevance when correlated with the pollen andmicrofossilanalysis. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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