petrographic 

  1. 形容詞
岩石分類的
岩相學的, 岩石記載學的

    
                        
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例句

                

                    
    
                                                    
  1. 
                                Petrographic analyses shows some of it was made locally.                            
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                                Polarizing microscope, similar to the petrographic microscope.                            
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                                Petrographic descriptions have been provided for core plugs from five wells.                            
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                                Petrographic examination is required for identification of specific types of granitoids.                            
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                                W. H. Twelvetrees and W. F. Petterd did petrographic investigations in Cygnet, around 1899.                            
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