stratigraphy 

  1. 名詞
不可數名詞: 地層學
地層成層情況, 地層岩石組成

    
                        
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例句

                

                    
    
                                                    
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                                By then Duncan had formulated the basic stratigraphy .                            
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                                At that point they excavated in natural stratigraphy .                            
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                                He established the theoretical basis for stratigraphy .                            
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                                Fossils of invertebrates are commonly used in stratigraphy .                            
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                                Profiles are drawings of stratigraphy along a vertical plane.                            
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